99609-23-1 9H-Imidazo(1,5-a)pyrrolo(2,1-c)(1,4)benzodiazepin-9-one, 11,12,13,13a-tetrahydro-8-chloro-7-fluoro-1-(3-methyl-1,2,4-oxadiazol-5-yl)-, (S)-