Dimethyl (3R,8R,9S,12R)-9-benzyl-3,12,di-tert-butyl-8-hydroxy-4,11-dioxo-6-(p-2-pyridylbenzyl)-2,5,6,10,13-pentaazatetradecanedioate ; CAS # 1292296-10-6 ;

Dimethyl (3R,8S,9S,12R)-9-benzyl-3,12,di-tert-butyl-8-hydroxy-4,11-dioxo-6-(p-2-pyridylbenzyl)-2,5,6,10,13-pentaazatetradecanedioate ; CAS # 1292296-11-7 ;

Dimethyl (3S,8S,9S,12S)-9-benzyl-3,12,di-tert-butyl-8-hydroxy-4,11-dioxo-6-(p-2-pyridylbenzyl)-2,5,6,10,13-pentaazatetradecanedioate ; CAS # 198904-31-3 ;

4-(Pyridin-2-yl)benzoic acid ; CAS # 4385-62-0 ;

4-(Pyridin-2-yl)benzaldehyde ; CAS # 127406-56-8 ;

Atazanavir Des(pyridylbenzyl) Impurity ; (3S,8S,9S,12S)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-2,5,6,10,13-pentaazatetradecanedioic acid 1,14-dimethyl ester ; CAS # 1192224-24-0 ;

(2S,3S,E)-1-(1-(4-(Pyridin-2-yl)benzyl)-2-(4-(pyridin-2-yl)benzylidene)hydrazinyl)-3-amino-4-phenylbutan-2-ol ;

Atazanavir (3S,8R,9S,12S)-Isomer (USP) ; 8-Epi Atazanavir ; CAS # 1292296-09-3 ;

Atazanavir (3R,8S,9S,12S)-Isomer (USP) ; 3-Epi Atazanavir ; CAS # 1332981-14-2 ;

Atazanavir (3S,8S,9S,12R)-Isomer ; 12-Epi Atazanavir ; CAS # 1332981-16-4 ;

Atazanavir (3S,8R,9R,12S)-Isomer ; Dimethyl (3S,8R,9R,12S)-9-benzyl-3,12,di-tert-butyl-8-hydroxy-4,11-dioxo-6-(p-2-pyridylbenzyl)-2,5,6,10,13-pentaazatetradecanedioate ;

Atazanavir Benzylidenehydrazine Analog ; Methyl [(2S)-1[[(2S,3S)-3-hydroxy-1-phenyl-4-[(E)-1-[[4-(pyridin-2-yl)phenyl]methyl]-2-[[4-(pyridin-2-yl)phenyl]methylidene]hydrazin-1-yl]butan-2-yl]amino]-3,3-dimethyl-1-oxobutan-2-yl]carbamate ;

tert-Butyl 2-[(2S,3S)-3-(tert-butoxyformamido)-2-hydroxy-4-phenylbutyl]-2-[[4-(pyridin-2-yl)phenyl]methyl]hydrazine-1-carboxylate ; CAS # 198904-86-8 ;

Atazanavir USP RC A ; (S)-2-[(Methoxycarbonyl)amino]-3,3-dimethylbutanoic acid ; CAS # 162537-11-3 ;

(2S,3S)-1-(1-(4-(Pyridin-2-yl)benzyl)hydrazinyl)-3-amino-4-phenylbutan-2-ol trihydrochloride ; CAS # 198904-87-9 (3 HCl) ; 437713-06-9 (Base) ;

(E)-1-(4-(Pyridin-2-yl)benzylidene)hydrazine ; CAS # 257907-05-4 ;

Atazanavir-8-(N-methoxycarbonyl)-L-tert-leucine Ester ;

Methyl N-[(2S)-3,3-dimethyl-1-oxo-1-[2-[(4-pyridin-2-ylphenyl)methyl]hydrazinyl]butan-2-yl]carbamate ;

2-[[4-(2-Pyridinyl)phenyl]methyl]hydrazinecarboxylic acid 1,1-dimethylethyl ester ; CAS # 198904-85-7 ;

Methyl (3S,8S,9S)-3-(1,1-Dimethylethyl)-8-hydroxy-13,13-dimethyl-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-12-oxa-2,5,6,10-tetraazatetradecanoic Acid Ester ; CAS # 857904-03-1 ;

N-​(Methoxycarbonyl)​-​3-​methyl-​L-​valine 2-​[(2S,​3S)​-​3-​amino-​2-​hydroxy-​4-​phenylbutyl]​-​2-​[[4-​(2-​pyridinyl)​phenyl]

tert-Butyl (R)-1-((R)-oxiran-2-yl)-2-phenylethylcarbamate ; CAS # 98818-34-9 ; 156474-21-4 ;

tert-Butyl (R)-1-((S)-oxiran-2-yl)-2-phenylethylcarbamate ; CAS # 156474-22-5 ; 98818-35-0 ;

tert-Butyl (S)-1-((R)-oxiran-2-yl)-2-phenylethylcarbamate ; CAS # 98760-08-8 ;

tert-Butyl (S)-1-((S)-oxiran-2-yl)-2-phenylethylcarbamate ; CAS # 98737-29-2 ;

(3S,8S,9S,12S)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(p-hydroxyphenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-dimethyl ester ;

Dimethyl (3S,8S,9S,12S)-9-benzyl-3,12,di-tert-butyl-8-hydroxy-4,11-dioxo-6-(p-2-pyridylbenzyl)-2,5,6,10,13-pentaazatetradecanedioate sulfate ; CAS # 229975-97-7 ;