methyl,nitrofurfurylidene,piperazinecarbohydrazide,1-piperazin,piperazine
1-Piperazin
26964-71-61-Piperazinecarboxylicacid, 4-[4-(4-fluorophenyl)-4-oxobutyl]-, cyclohexyl ester, hydrochloride (1:1)
147297-03-8Pyrido(2,3-d)pyrimidine-5-carboxylic acid, 1,2,3,4-tetrahydro-2,4-dioxo-7-methyl-3-phenyl-1-(3-(4-phenyl-1-piperazinyl)propyl)-, ethyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid