132933-15-4 6-(2-Ethoxycarbonyl-propen-3-yl)-4,5,6,7-tetrahydro-5-methylimidazo[4,5,1-jk][1,4]benzodiazepin-2(1H)-one AIDS-002420 AIDS002420 Imidazo[4,5,1-jk][1,4]benzodiazepine-6(7H)-propanoic acid, 1,2,4,5-tetrahydro-5-methyl-.alpha.-methylene-2-oxo-, ethyl ester TIBO deriv.