((4aS,6aS,6bR,8aR,10S,12aS,12bR)-10-((tert-butyldimethylsilyl)oxy)-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b-hexadecahydropicen-4a(2H)-yl)methyl benzoate

butyl 3-[butoxy(phenyl)phosphinyl]propionate

40tert-butoxy-1,2-ethylenedioxybenzene