27087-86-1 BENZO(4,5)CYCLOHEPT(1,2-d)IMIDAZOLE, 1,4,9,10-TETRAHYDRO-2-METHYL-4-(1-METHYL-4- Benzo(4,5)cyclohept(1,2-d)imidazole, 1,4,9,10-tetrahydro-2-methyl-4-(1-methyl-4-piperidylidene)-, fumarate (1:1)