O-([1,1′-Biphenyl]-4-ylcarbonyl)-N-[1,6-dideoxy-5-O-[5-deoxy-5-[[(1,1-dimethylethoxy)carbonyl]amino]-2,3-O-(1-ethylpropylidene)-β-D-ribofuranosyl]-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-2,3-O-(1-methylethylidene)-6-[[(phenylmethoxy)carbonyl]amino]-D-glycero-α-L-talo-heptofuranuronoyl]-L-serine ...