[1,2-a]

[1,2-b]

[1,2-c]

[1,2-d]

[1,2-f]

[1,2-x]

[1,5-a]

[1,5-b]

[1,5-c]

[1,5-d]

[1,6-ad][1,7-a]

[2,1-a]

[2,1-b]

[2,1-c]

[2,1-d]

[2,1-e]

[2,1-f]

[2,1-]

[2,3-a]

[2,3-b]

[2,3-c]

[2,3-d]

[2,3-e]

[2,3-f]

[2,3-g]

[2,3-h]

[2,3-ij][2,4-b]

[3,2-a]

[3,2-b]

[3,2-c]

[3,2-d]

[3,2-e]

[3,2-g]

[3,2-f]

[3,2-h]

[3,4-a]

[3,4-b]

[3,4-c]

[3,4-d]

[3,4-e]

[3,4-f]

[3,4-g]

[3,4-]

[4,3-a]

[4,3-b]

[4,3-c]

[4,3-d]

[4,3-e]

[4,3-g]

[4,3-]

[4,5-a]

[4,5-b]

[4,5-c]

[4,5-d]

[4,5-e]

[4,5-f]

[4,5-g]

[4,5-h]

[4,5-]

[5,1-a]

[5,1-b]

[5,1-c]

[5,1-f]

[5,1-]

[5,4-b]

[5,4-c]

[5,4-d]

[5,4-e]

[5,4-f]

[5,4-]

[5,6-b]

[5,6-c]

[5,6-]

[6,1-b]

[6,1-]

[6,5-b]

[6,5-]

Order 874296-74-9 1-Piperazinecarboxylic acid, 4-(5-methyl-2-nitrophenyl)-, phenylmethylester

Order 478617-60-6 1-Piperazinecarboxylic acid, 4-(5-nitro-7-benzofuranyl)-,1,1-dimethylethyl ester

Order 596810-55-8 1-Piperazinecarboxylic acid, 4-(6-hydroxyhexyl)-, 1,1-dimethylethylester

Order 660862-65-7 1-Piperazinecarboxylic acid, 4-(phenylmethyl)-2-[2-(phenylthio)ethyl]-,1,1-dimethylethyl ester, (2S)-

Order 727736-95-0 1-Piperazinecarboxylic acid, 4-(trans-4-carboxycyclohexyl)-3-oxo-,1-(1,1-dimethylethyl) ester

Order 845645-94-5 1-Piperazinecarboxylic acid, 4-[(1E)-(4-cyanophenyl)azo]-, ethyl ester

Order 845645-95-6 1-Piperazinecarboxylic acid, 4-[(1E)-(4-nitrophenyl)azo]-, ethyl ester

Order 515148-53-5 1-Piperazinecarboxylic acid, 4-[(1R,2R)-2-carboxycyclohexyl]-,1-(phenylmethyl) ester, rel-, mono(trifluoroacetate)

Order 501928-01-4 1-Piperazinecarboxylic acid, 4-[(2-chloro-5-nitrophenyl)sulfonyl]-,1,1-dimethylethyl ester

Order 873697-64-4 1-Piperazinecarboxylic acid, 4-[(4-fluoro-3-nitrophenyl)methyl]-,1,1-dimethylethyl ester

Order 70931-32-7 1-Piperazinecarboxylic acid, 4-[(4-fluorophenyl)methyl]-, ethyl ester

Order 70931-31-6 1-Piperazinecarboxylic acid, 4-[(4-fluorophenyl)methyl]-, ethyl ester,monohydrobromide

Order 657426-81-8 1-Piperazinecarboxylic acid, 4-[(hydroxyamino)iminomethyl]-, ethylester

Order 349128-16-1 1-Piperazinecarboxylic acid, 4-[[4-(acetylamino)phenyl]sulfonyl]-, ethylester

Order 657426-26-1 1-Piperazinecarboxylic acid, 4-[[5-(3-chlorophenyl)-2-oxazolyl]methyl]-,ethyl ester

Order 657425-35-9 1-Piperazinecarboxylic acid, 4-[1-[5-(tributylstannyl)-3-isoxazolyl]ethyl]-,ethyl ester

Order 486422-48-4 1-Piperazinecarboxylic acid, 4-[2-(4-bromo-2,5-difluorophenoxy)ethyl]-,1,1-dimethylethyl ester

Order 486422-47-3 1-Piperazinecarboxylic acid, 4-[2-(4-bromophenoxy)ethyl]-,1,1-dimethylethyl ester

Order 70931-41-8 1-Piperazinecarboxylic acid, 4-[2-(4-fluorophenoxy)ethyl]-, ethyl ester

Order 684286-38-2 1-Piperazinecarboxylic acid, 4-[2-(dimethoxyphosphinyl)ethyl]-,7-[(4-fluorophenyl)methyl]-7,8-dihydro-9-hydroxy-8-oxo-6H-pyrrolo[3,4-g]quinolin-5-yl ester, mono(trifluoroacetate) (salt)