137052-96-1 4H-Pyrrolo(1,2-a)thieno(3,2-f)(1,4)diazepine, 5,6-dihydro-3-methyl-6-(4-nitrophenyl)- 5,6-Dihydro-3-methyl-6-(4-nitrophenyl)-4H-pyrrolo(1,2-a)thieno(3,2-f)(1,4)diazepine