S-((2R,3R,4S,6S)-6-((((2R,3S,4S,5R,6R)-5-(((2S,4S,5S)-5-((((9H-fluoren-9-yl)methoxy)carbonyl)(ethyl)amino)-4-methoxytetrahydro-2H-pyran-2-yl)oxy)-4-hydroxy-6-(((1R,4Z,8S,13E)-1-hydroxy-10-((methoxycarbonyl)amino)-13-(2-(methyltrisulfanyl)ethylidene)spiro[bicyclo[7.3.1]tridecane-11,2'-[1,3]dioxolane]-4,9-dien-2,6-diyn-8-yl)oxy)-2-methyltetrahydro-2H-pyran-3-yl)((2-(trimethylsilyl)ethoxy)carbonyl)amino)oxy)-2-methyl-4-((triethylsilyl)oxy)tetrahydro-2H-pyran-3-yl) 3-iodo-5,6-dimethoxy-4-(((2S,3R,4R

expand collapse