7-Chloro-2,3-dihydro-5-phenyl-1-trimethylsilyl-3-(trimethylsilyl)oxy-1H-1,4-benzodiazepin-2-one

2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-5-phenyl-1-(trimethyl silyl)-3-[(trimethylsilyl)oxy]-