17-Ethyl-1-hydroxy-12-[2'-(4"-oxo-3"-methoxycyclohexyl)-1'-methylvinyl]-14-t-butyldimethylsilyloxy-23,25-dimethoxy-13,19, 21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos 18-ene-2,3,10,16-tetraone (HCID 57187758)|Huagongshe