piperazinecarboxylicacid,propyn,ester,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
65274-81-91-Piperazinecarboxylic acid, 4-(2-(4-(4-fluorophenyl)-1-piperazinyl)et hyl)-, phenylmethyl ester, (E)-2-butenedioate (1:2)
65274-83-11-Piperazinecarboxylic acid, 4-(2-(4-(3-(trifluoromethyl)phenyl)-1-pip erazinyl)ethyl)-, phenylmethyl ester, (E)-2-butenedioate (1:2)
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid