4,5,6,7-Tetrahydro-6-hydroxy-3H-imidazo-(4,5e)(1,4)diazepin-8-one 89354-15-4 Azepinomycin Imidazo(4,5-e)(1,4)diazepin-8(1H)-one, 4,5,6,7-tetrahydro-6-hydroxy-