Name: (R)-METHYL 4-((3R,5S,8S,9S,10S,13R,14S,17R)-3-(TERT-BUTYLDIMETHYLSILYLOXY)-10,13-DIMETHYL-7-(TRIMETHYLSILYLOXY)-2,3,4,5,8,9,10,11,12,13,14,15,16,17-TE