111865-28-2 6H-Thiopyrano(3,2-d)pyrimidine, 7,8-dihydro-2-(4-methyl-1-piperazinyl)-4-(1-pyrrolidinyl)-, (Z)-2-butenedioate (1:2) 7,8-Dihydro-2-(4-methyl-1-piperidinyl)-4-(1-pyrrolidinyl)-6H-thiopyrano(3,2-D)pyrimidine-2-butenedioate Mtp 1307 Mtp-1307