2-((4-Methyl-1-piperazinyl)imino)-4'-phenylthioacetophenone hydrochloride 2-((N'-Methyl-N-piperazino)imino)-4'-phenylthioacetophenone hydrochloride 25561-58-4 ACETOPHENONE, 2-((4-METHYL-1-PIPERAZINYL)IMINO)-4'-PHENYLTHIO-, HYDROCHLORIDE