11,12-(Aminocarbonyloxy)-11,12-dideoxy-3-des(2,6-dideoxy-3-C,3-O-dimethyl-alpha-L-ribohexopyranosyloxy)-6-O-methyl-3-oxo-N11-[3-(4-quinolyl)propylamino]erythromycin A AIDS-086688 AIDS086688 HMR3004 RU004 RU64004