2-({1-[7-(1-Ethoxycarbonyl-3-methyl-butylcarbamoyl)-3,10,12-trimethyl-2-oxo-9-thiocyanato-2H,6H-1,11-dioxa-4,6-diaza-naphthacen-5-yl]-methanoyl}-amino)-4-methyl-pentanoic acid ethyl ester AIDS-016887 AIDS016887 NSC129814