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Lidocaine impurity 17/Lidocaine EP Impurity K/Lidocaine BP Impurity K/N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide 74634-66-5 马上询价
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Lidocaine impurity 18/2-(dimethylamino)-N-(2,6-dimethylphenyl)acetamide hydrochloride 31785-64-5 马上询价
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Lidocaine impurity 19/2-(dimethylamino)-N-(2,6-dimethylphenyl)acetamide 21236-54-4 马上询价
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Lidocaine impurity 20/2-Chloro-N-(2,3-dimethylphenyl)acetamide 2564-07-0 马上询价
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Lidocaine impurity 21/2-Chloro-N-(2,4-dimethylphenyl)acetamide 39106-10-0 马上询价
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Lidocaine impurity 22/2-Chloro-N-(2,5-dimethylphenyl)acetamide 5177-35-5 马上询价
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Lidocaine impurity 23/1,4-Bis(2,6-dimethylphenyl)-2,5-piperazinedione 70336-49-1 马上询价
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Lidocaine impurity 24/N-(2,6-dimethylphenyl)-2-((2,6-dimethylphenyl)amino)acetamide 294852-91-8 马上询价
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Lidocaine impurity 25/ N-(2,6-Dimethylphenyl)-2,2-dichloroacetamide 39084-88-3 马上询价
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Lidocaine impurity 26/ 2,2’,2’’-Nitrilotris[N-(2,6-dimethylphenyl)-acetamide 1374010-02-2 马上询价
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Lidocaine impurity 27/N-(2,6-Dimethylphenyl)-2-hydroxyacetamide 29183-14-0 马上询价
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Sitagliptin impurity 1/Sitagliptin EP Impurity A/Sitagliptin S-Isomer/(S)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine 823817-55-6 马上询价
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Sitagliptin impurity 2/Sitagliptin EP Impurity A Phosphate/(S)-3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one, phosphate (1:1) 823817-58-9 马上询价
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Sitagliptin impurity 3/Sitagliptin EP Impurity B/Sitagliptin 4-Desfluoro Impurity/(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,5-difluorophenyl)butan-2-amine phosphate 1345822-87-8 马上询价
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Sitagliptin impurity 4/Sitagliptin EP Impurity C/Sitagliptin 5-Desfluoro Impurity/(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4-difluorophenyl)butan-2-amine 1345822-86-7 马上询价
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Sitagliptin impurity 5/Sitagliptin FP Impurity A/Sitagliptin Fumarate Adduct/Sitagliptin Maleate Adduct/N-[(2R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-yl]aspartic acid 2088771-60-0 马上询价
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