. "3-[8-(1-ethynyl)-5-methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepin-3-ylcarbonyloxy]propyl 8-(1-ethynyl)-5-methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate" . "7" . . . . . . . . .