(3S,6R,7S,8S,12Z,15S)-4,4,8,12-tetramethyl-5-oxo-6-allyl-15-(tert-butyldimethylsilyloxy)-15-(2-methylbenzothiazol-5-yl)-pentadec-12-ene-1,3,7-triol

(3S,6R,7S,8S,12Z,15S)-4,4,8,12-tetramethyl-5-oxo-6-allyl-3,7,15-tris-(tert-butyldimethylsilyloxy)-15-(2-methylbenzothiazol-5-yl)-pentadec-12-en-1-ol

(3S,6R,7S,8S,12Z,15S)-4,4,8,12-tetramethyl-6-allyl-1,3,7,15-tetrakis-(tert-butyldimethylsilyloxy)-15-(2-methylbenzothiazol-5-yl)-pentadec-12-en-5-on