(S)-9-Chloro-4,5,6,7-tetrahydro-6-(3-methyl-2-butenyl)-5-(1-methylethyl)imidazo[4,5,1-jk][1,4]benzodiazepin-2(1H)-one AIDS-044566 AIDS044566 TIBO, 9Cl-5-iPr 6-DMA deriv.