morpholine,piperazinyl,pyridazinyl,1-piperazin,1-piperazinyl,morpholin
Piperazinyl
51724-32-4METHANESULFONAMIDE,N-(10,11-DIHYDRO-11-(4-METHYL-1-PIPERAZINYL)DIBENZO[B,F]THIEPIN-2-YL)-,DIMETHANESULFONATE
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