40967-09-7 Pyridinium, 1-(7-chloro-1-methyl-2-oxo-5-phenyl-1,4-benzodiazepin-3-yl)-, chloride Pyridinium, 1-(7-chloro-2,3-dihydro-1-methyl-2-oxo-5-phenyl-1H-1,4-benzodiazepin-3-yl)-, chloride