(1S,3S,E)-3-((tert-butyldimethylsilyl)oxy)-4-methyl-1-((S)-2-methyl-5-oxotetrahydrofuran-2-yl)-5-(2-methylthiazol-4-yl)pent-4-en-1-yl methanesulfonate

(1R,3S,E)-3-((tert-butyldimethylsilyl)oxy)-4-methyl-1-((R)-2-methyl-5-oxotetrahydrofuran-2-yl)-5-(2-methylthiazol-4-yl)pent-4-en-1-yl methanesulfonate

(E)-5-((2R,3S)-3-((S,E)-2-((tert-butyldimethylsilyl)oxy)-3-methyl-4-(2-methylthiazol-4-yl)but-3-en-1-yl)-2-methyloxiran-2-yl)-1-((3aR,6S,7aS)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)pent-2-en-1-one

(S)-5-((2R,3S)-3-((S,E)-2-((tert-butyldimethylsilyl)oxy)-3-methyl-4-(2-methylthiazol-4-yl)but-3-en-1-yl)-2-methyloxiran-2-yl)-1-((3aR,6S,7aS)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)-2-methylpentan-1-one

(S)-1-((3aR,6S,7aS)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)-2-methyl-5-((2R,3S)-2-methyl-3-((S,E)-3-methyl-4-(2-methylthiazol-4-yl)-2-((triethylsilyl)oxy)but-3-en-1-yl)oxiran-2-yl)pentan-1-one