1-Piperazinepropanamide, 2-methyl-N-(4-nitrophenyl)-4-(2-pyridinyl)-, hydrochloride, hydrate (1:2:2) 2-Methyl-N-(4-nitrophenyl)-4-(2-pyridinyl)-1-piperazinepropanamide dihydrochloride dihydrate TM2647740