phenethyl,piperazinyl,purine,1-piperazin,1-piperazinyl
1-Piperazin
87587-10-81-Piperazinecarboxylic acid,4-[[[1-(1-oxido-2-pyridinyl)ethylidene]hydrazino]thioxomethyl]-, ethylester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid