77869-75-1 N-(2-(3-Isopropylhexahydropyrimidino)ethyl)propionanilide oxalate hydrate Propanamide, N-phenyl-N-(2-(tetrahydro-3-(1-methylethyl)-1(2H)-pyrimidinyl)ethyl)-, ethanedioate, hydrate (2:4:1)