CAS No 28636-21-7 , methyl
(2R,3S,4R)-4-[(2R,5R,7S,8R,9S)-2-[(2R,5S)-5-ethyl-5-[(2S,3R,5S)-5-[(2S,
3S,5R,6R)-6-hydroxy-6-(hydroxymethyl)-3,
5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]oxolan-2-yl]-7-hydroxy-2,
8-dimethyl-1,10-dioxaspiro[4.5]decan-9-yl]-3-methoxy-2-methylpentanoate