(2'E,2''S,3''S,5''R,6''R)-2-{[4'-(5''-amino-3'',6''-dimethyltetrahydropyran-2''-yl)-2'-methylbut-2'-en-1'-yl]sulfonyl}-1,3-benzothiazole

(2'E,2''S,3''S,5''R,6''R)-4-{[4'-(5''-t-butoxycarbonylamino-3'',6''-dimethyltetrahydropyran-2''-yl)-2'-methylbut-2'-en-1'-yl]sulfanyl}-1,3-benzothiazole

(2'E,2''S,3''S,5''R,6''R)-2-{[4'-(5''-t-butoxycarbonylamino-3'',6''-dimethyltetrahydropyran-2''-yl)-2'-methylbut-2'-en-1'-yl]sulfonyl}-1,3-benzothiazole

(2Z,2'R,2''E,3'R,4S,5'S,6'S)-N-{6'-[4''-(1''',3'''-benzothiazol-2'''-ylsulfonyl)-3''-methylbut-2''-en-1''-yl]-2',5'-dimethyltetrahydropyran-3'-yl}-4-t-butyldimethylsilyloxypent-2-enamide

(S,Z)-N-((2R,3R,5S,6S)-6-((2E,4E)-5-((3R,4R,5R,7S)-4-((tert-butyldimethylsilyl)oxy)-7-methoxy-7-methyl-1,6-dioxaspiro[2.5]octan-5-yl)-3-methylpenta-2,4-dien-1-yl)-2,5-dimethyltetrahydro-2H-pyran-3-yl)-4-hydroxypent-2-enamide