1-{[((6S)-3-{(1S)[(4S,3R,5R)-5-(Aminomethyl)-3,4-dihydroxyoxolan-2-yloxy][(3S,4R)-5-(2,4-dioxo(1,3-dihydropyrimidinyl))-3,4-dihydroxyoxolan-2-yl]methyl}-7-(methoxycarbonyl)-1,4-dimethyl-2-oxo(1,4-diazaperhydroepin-6-yl))oxycarbonyl]methyl}-12-methyltridecyl 3,4,5-trimethoxy-6-methyl(2H-3,4,5,6-tetrahydropyran-2-yl) 3-methylpentane-1,5-dioate AIDS-181984 AIDS181984 CPZ-B, Caprazamycin B