1H-1,5-BENZODIAZEPINE-2-CARBONITRILE, 7,7'-CARBONYLBIS(2,3,4,5-TETRAHYDRO-4-METH 1H-1,5-Benzodiazepine-2-carbonitrile, 7,7'-carbonylbis(2,3,4,5-tetrahydro-4-methyl- 7,7'-Carbonylbis(2,3,4,5-tetrahydro-4-methyl-1H-1,5-benzodiazepine-2-carbonitrile) 87896-43-3 AN-22