2H-Pyrido(2,3-b)(1,4)diazepine-2-thione, 1,3,4,5-tetrahydro-4-phenyl- 4-Phenyl-1,3,4,5-tetrahydro-2H-pyrido(2,3-b)(1,4)diazepine-2-thione 4-Phenyl-1H-tetrahydro-6-azabenzo-1,5-diazepinothione-2 87474-42-8