功能材料-南京康满林

N4-(4-methyl-4H-benzo[def]carbazol-1-yl)-N4,N4'-diphenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2253901-254

N4-(4-甲基-4H-苯并[def]咔唑-1-基)-N4,N4'-二苯基-N4'-(9-苯基-9H-咔唑-3-基)-[1,1'-联苯]-4,4'-二胺

N4-(4-methyl-4H-benzo[def]carbazol-1-yl)-N4,N4'-diphenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

2253901-25-4C₅₇H₄₀N₄780.97

需询价

价格库存

N1-(4'-(5H-benzo[b]carbazol-5-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-1-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1429931-350

N1-(4'-(5H-苯并[b]咔唑-5-基)-[1,1'-联苯]-4-基)-N1-(萘-1-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(5H-benzo[b]carbazol-5-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-1-yl)-N4,N4-diphenylbenzene-1,4-diamine

1429931-35-0C₅₆H₃₉N₃753.95

需询价

价格库存

N4-(4-chlorophenyl)-N4',N4'-bis(3,5-dichlorophenyl)-N4-(2,4,6-trichlorophenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0124235-956

N4-(4-氯苯基)-N4',N4'-双(3,5-二氯苯基)-N4-(2,4,6-三氯苯基)-[1,1'-联苯]-4,4'-二胺

N4-(4-chlorophenyl)-N4',N4'-bis(3,5-dichlorophenyl)-N4-(2,4,6-trichlorophenyl)-[1,1'-biphenyl]-4,4'-diamine

124235-95-6C₃₆H₂₀Cl₈N₂764.17

需询价

价格库存

N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-(4-(((4-vinylbenzyl)oxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-2023772-554

N4-(4'-氯-[1,1'-联苯]-4-基)-N4,N4'-二(萘-1-基)-N4'-(4-(((4-乙烯基苄氧基))甲基)苯基)-[1,1'-联苯]-4,4'-二胺

N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-(4-(((4-vinylbenzyl)oxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

2023772-55-4C₆₀H₄₅ClN₂O845.48

需询价

价格库存

N4,N4'-diphenyl-N4-(5,5,8,8-tetramethyl-5,8-dihydronaphthalen-1-yl)-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2364597-088

N4,N4'-二苯基-N4-(5,5,8,8-四甲基-5,8-二氢萘-1-基)-N4'-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-diphenyl-N4-(5,5,8,8-tetramethyl-5,8-dihydronaphthalen-1-yl)-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2364597-08-8C₅₆H₄₆N₂747

需询价

价格库存

N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4'-(9,9-dimethyl-7-vinyl-9H-fluoren-2-yl)-N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2023772-930

N4-(4'-氯-[1,1'-联苯]-4-基)-N4'-(9,9-二甲基-7-乙烯基-9H-芴-2-基)-N4,N4'-双(9,9-二甲基-9H-芴-2-基)-[1,1'-联苯]-4,4'-二胺

N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4'-(9,9-dimethyl-7-vinyl-9H-fluoren-2-yl)-N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2023772-93-0C₇₁H₅₇ClN₂973.7

需询价

价格库存

N4-(9-(naphthalen-1-yl)-9H-carbazol-2-yl)-N4,N4'-diphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine

KL-1235562-512

N4-(9-(萘-1-基)-9H-咔唑-2-基)-N4,N4'-二苯基-N4'-(对甲苯基)-[1,1'-联苯]-4,4'-二胺

N4-(9-(naphthalen-1-yl)-9H-carbazol-2-yl)-N4,N4'-diphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine

1235562-51-2C₅₃H₃₉N₃717.92

需询价

价格库存

N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine

KL-1464822-658

N1-(4'-(7H-二苯并[a,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1,N4,N4-三苯基苯-1,4-二胺

N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine

1464822-65-8C₅₆H₃₉N₃753.95

需询价

价格库存

N4,N4,N4'-triphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0132796-908

N4,N4,N4'-三苯基-N4'-(对甲苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4,N4'-triphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine

132796-90-8C₃₇H₃₀N₂502.66

需询价

价格库存

N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1464823-980

N1-(4'-(7H-二苯并[c,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

1464823-98-0C₆₀H₄₁N₃804.01

需询价

价格库存

N4-(5,5-dimethyl-5H-indeno[1,2-b]pyridin-6-yl)-N4,N4'-diphenyl-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2362555-675

N4-(5,5-二甲基-5H-茚[1,2-b]吡啶-6-基)-N4,N4'-二苯基-N4'-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺

N4-(5,5-dimethyl-5H-indeno[1,2-b]pyridin-6-yl)-N4,N4'-diphenyl-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2362555-67-5C₅₆H₄₁N₃755.96

需询价

价格库存

N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-1792989-026

N4-(6,6-二苯基-6H-茚[2,1-b]苯并呋喃-8-基)-N4,N4'-二(萘-1-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺

N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

1792989-02-6C₆₅H₄₄N₂O869.08

需询价

价格库存

N1-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-N1-(9,9-dimethyl-10-phenyl-9,10-dihydroacridin-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-2242624-037

N1-(4'-(9H-咔唑-9-基)-[1,1'-联苯]-4-基)-N1-(9,9-二甲基-10-苯基-9,10-二氢吖啶-2-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-N1-(9,9-dimethyl-10-phenyl-9,10-dihydroacridin-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

2242624-03-7C₆₃H₄₈N₄861.1

需询价

价格库存

N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4',N4'-triphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-1792988-885

N4-(6,6-二苯基-6H-茚[2,1-b]苯并呋喃-8-基)-N4,N4',N4'-三苯基-[1,1'-联苯]-4,4'-二胺

N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4',N4'-triphenyl-[1,1'-biphenyl]-4,4'-diamine

1792988-88-5C₅₇H₄₀N₂O768.96

需询价

价格库存

N1-(4'-(7H-benzo[c]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1464823-731

N1-(4'-(7H-苯并[c]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(7H-benzo[c]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

1464823-73-1C₅₆H₃₉N₃753.95

需询价

价格库存

N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1464822-954

N1-(4'-(7H-二苯并[a,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine

1464822-95-4C₆₀H₄₁N₃804.01

需询价

价格库存

N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine

KL-1429932-784

N1-(4'-(7H-二苯并[c,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1,N4,N4-三苯基苯-1,4-二胺

N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine

1429932-78-4C₅₆H₃₉N₃753.95

需询价

价格库存

N1-(4'-(11H-benzofuro[3,2-b]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1361128-155

N1-(4'-(11H-苯并呋喃并[3,2-b]咔唑-11-基)-[1,1'-联苯]-4-基)-N1-([1,1'-联苯]-4-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(11H-benzofuro[3,2-b]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine

1361128-15-5C₆₀H₄₁N₃O820.01

需询价

价格库存

N1-(4'-(11H-benzo[a]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine

KL-1429930-904

N1-(4'-(11H-苯并[a]咔唑-11-基)-[1,1'-联苯]-4-基)-N1-([1,1'-联苯]-4-基)-N4,N4-二苯基苯-1,4-二胺

N1-(4'-(11H-benzo[a]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine

1429930-90-4C₅₈H₄₁N₃779.99

需询价

价格库存

N4-(naphthalen-2-yl)-N4',N4'-diphenyl-N4-(7-phenyl-7H-benzo[de]benzofuro[3,2-b]quinolin-10-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2291348-906

N4-(萘-2-基)-N4',N4'-二苯基-N4-(7-苯基-7H-苯并[de]苯并呋喃并[3,2-b]喹啉-10-基)-[1,1'-联苯]-4,4'-二胺

N4-(naphthalen-2-yl)-N4',N4'-diphenyl-N4-(7-phenyl-7H-benzo[de]benzofuro[3,2-b]quinolin-10-yl)-[1,1'-biphenyl]-4,4'-diamine

2291348-90-6C₅₈H₃₉N₃O793.97

需询价

价格库存

KL-2253901-254 N4-(4-甲基-4H-苯并[def]咔唑-1-基)-N4,N4'-二苯基-N4'-(9-苯基-9H-咔唑-3-基)-[1,1'-联苯]-4,4'-二胺 N4-(4-methyl-4H-benzo[def]carbazol-1-yl)-N4,N4'-diphenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine	2253901-25-4C₅₇H₄₀N₄780.97	需询价	价格库存
KL-1429931-350 N1-(4'-(5H-苯并[b]咔唑-5-基)-[1,1'-联苯]-4-基)-N1-(萘-1-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(5H-benzo[b]carbazol-5-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-1-yl)-N4,N4-diphenylbenzene-1,4-diamine	1429931-35-0C₅₆H₃₉N₃753.95	需询价	价格库存
KL-0124235-956 N4-(4-氯苯基)-N4',N4'-双(3,5-二氯苯基)-N4-(2,4,6-三氯苯基)-[1,1'-联苯]-4,4'-二胺 N4-(4-chlorophenyl)-N4',N4'-bis(3,5-dichlorophenyl)-N4-(2,4,6-trichlorophenyl)-[1,1'-biphenyl]-4,4'-diamine	124235-95-6C₃₆H₂₀Cl₈N₂764.17	需询价	价格库存
KL-2023772-554 N4-(4'-氯-[1,1'-联苯]-4-基)-N4,N4'-二(萘-1-基)-N4'-(4-(((4-乙烯基苄氧基))甲基)苯基)-[1,1'-联苯]-4,4'-二胺 N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-(4-(((4-vinylbenzyl)oxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	2023772-55-4C₆₀H₄₅ClN₂O845.48	需询价	价格库存
KL-2364597-088 N4,N4'-二苯基-N4-(5,5,8,8-四甲基-5,8-二氢萘-1-基)-N4'-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-diphenyl-N4-(5,5,8,8-tetramethyl-5,8-dihydronaphthalen-1-yl)-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2364597-08-8C₅₆H₄₆N₂747	需询价	价格库存
KL-2023772-930 N4-(4'-氯-[1,1'-联苯]-4-基)-N4'-(9,9-二甲基-7-乙烯基-9H-芴-2-基)-N4,N4'-双(9,9-二甲基-9H-芴-2-基)-[1,1'-联苯]-4,4'-二胺 N4-(4'-chloro-[1,1'-biphenyl]-4-yl)-N4'-(9,9-dimethyl-7-vinyl-9H-fluoren-2-yl)-N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2023772-93-0C₇₁H₅₇ClN₂973.7	需询价	价格库存
KL-1235562-512 N4-(9-(萘-1-基)-9H-咔唑-2-基)-N4,N4'-二苯基-N4'-(对甲苯基)-[1,1'-联苯]-4,4'-二胺 N4-(9-(naphthalen-1-yl)-9H-carbazol-2-yl)-N4,N4'-diphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine	1235562-51-2C₅₃H₃₉N₃717.92	需询价	价格库存
KL-1464822-658 N1-(4'-(7H-二苯并[a,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1,N4,N4-三苯基苯-1,4-二胺 N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine	1464822-65-8C₅₆H₃₉N₃753.95	需询价	价格库存
KL-0132796-908 N4,N4,N4'-三苯基-N4'-(对甲苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4,N4'-triphenyl-N4'-(p-tolyl)-[1,1'-biphenyl]-4,4'-diamine	132796-90-8C₃₇H₃₀N₂502.66	需询价	价格库存
KL-1464823-980 N1-(4'-(7H-二苯并[c,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine	1464823-98-0C₆₀H₄₁N₃804.01	需询价	价格库存
KL-2362555-675 N4-(5,5-二甲基-5H-茚[1,2-b]吡啶-6-基)-N4,N4'-二苯基-N4'-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺 N4-(5,5-dimethyl-5H-indeno[1,2-b]pyridin-6-yl)-N4,N4'-diphenyl-N4'-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2362555-67-5C₅₆H₄₁N₃755.96	需询价	价格库存
KL-1792989-026 N4-(6,6-二苯基-6H-茚[2,1-b]苯并呋喃-8-基)-N4,N4'-二(萘-1-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺 N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4'-di(naphthalen-1-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine	1792989-02-6C₆₅H₄₄N₂O869.08	需询价	价格库存
KL-2242624-037 N1-(4'-(9H-咔唑-9-基)-[1,1'-联苯]-4-基)-N1-(9,9-二甲基-10-苯基-9,10-二氢吖啶-2-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-N1-(9,9-dimethyl-10-phenyl-9,10-dihydroacridin-2-yl)-N4,N4-diphenylbenzene-1,4-diamine	2242624-03-7C₆₃H₄₈N₄861.1	需询价	价格库存
KL-1792988-885 N4-(6,6-二苯基-6H-茚[2,1-b]苯并呋喃-8-基)-N4,N4',N4'-三苯基-[1,1'-联苯]-4,4'-二胺 N4-(6,6-diphenyl-6H-indeno[2,1-b]benzofuran-8-yl)-N4,N4',N4'-triphenyl-[1,1'-biphenyl]-4,4'-diamine	1792988-88-5C₅₇H₄₀N₂O768.96	需询价	价格库存
KL-1464823-731 N1-(4'-(7H-苯并[c]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(7H-benzo[c]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine	1464823-73-1C₅₆H₃₉N₃753.95	需询价	价格库存
KL-1464822-954 N1-(4'-(7H-二苯并[a,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1-(萘-2-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(7H-dibenzo[a,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1-(naphthalen-2-yl)-N4,N4-diphenylbenzene-1,4-diamine	1464822-95-4C₆₀H₄₁N₃804.01	需询价	价格库存
KL-1429932-784 N1-(4'-(7H-二苯并[c,g]咔唑-7-基)-[1,1'-联苯]-4-基)-N1,N4,N4-三苯基苯-1,4-二胺 N1-(4'-(7H-dibenzo[c,g]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-N1,N4,N4-triphenylbenzene-1,4-diamine	1429932-78-4C₅₆H₃₉N₃753.95	需询价	价格库存
KL-1361128-155 N1-(4'-(11H-苯并呋喃并[3,2-b]咔唑-11-基)-[1,1'-联苯]-4-基)-N1-([1,1'-联苯]-4-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(11H-benzofuro[3,2-b]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine	1361128-15-5C₆₀H₄₁N₃O820.01	需询价	价格库存
KL-1429930-904 N1-(4'-(11H-苯并[a]咔唑-11-基)-[1,1'-联苯]-4-基)-N1-([1,1'-联苯]-4-基)-N4,N4-二苯基苯-1,4-二胺 N1-(4'-(11H-benzo[a]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-N1-([1,1'-biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine	1429930-90-4C₅₈H₄₁N₃779.99	需询价	价格库存
KL-2291348-906 N4-(萘-2-基)-N4',N4'-二苯基-N4-(7-苯基-7H-苯并[de]苯并呋喃并[3,2-b]喹啉-10-基)-[1,1'-联苯]-4,4'-二胺 N4-(naphthalen-2-yl)-N4',N4'-diphenyl-N4-(7-phenyl-7H-benzo[de]benzofuro[3,2-b]quinolin-10-yl)-[1,1'-biphenyl]-4,4'-diamine	2291348-90-6C₅₈H₃₉N₃O793.97	需询价	价格库存