2-Methyl-4,5,6,7-tetrahydroimidazo(1,5,4,ef)(1,5)benzodiazepine 66596-63-2 BRN 0612186 Imidazo(1,5,4-ef)(1,5)benzodiazepine, 4,5,6,7-tetrahydro-2-methyl-