53924-79-1 BENZO(4,5)CYCLOHEPT(1,2-d)IMIDAZOLE, 1,4,9,10-TETRAHYDRO-1,2-DIMETHYL-4-(1-METHY Benzo(4,5)cyclohept(1,2-d)imidazole, 1,4,9,10-tetrahydro-1,2-dimethyl-4-(1-methyl-4-piperidylidene)-, fumarate (1:2)