piperazinecarboxylic,methylethyl,ethyl,ester,hydrochloride,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
90749-41-01H-Purine-2,6-dione,8-[3-[4-(diphenylmethyl)-1-piperazinyl]propyl]-3,7-dihydro-1,7-dimethyl-3-phenyl-
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid