ethyl,piperazine,acetate,1-piperazin
1-Piperazin
1359873-45-26-ETHYL-4-[4-(1,3,4-THIADIAZOL-2-YL)-1-PIPERAZINYL]THIENO[2,3-D]PYRIMIDINE HYDROCHLORIDE
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid