phthalazine,chloro,phenyl,piperazinyl,1-piperazin,1-piperazinyl
Piperazinyl
837396-18-6Pyridazine, 3-[4-(ethylsulfinyl)phenyl]-6-[4-(1-methylethyl)-1-piperazinyl]-,monohydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid