(2R,4R)-4,5-dihydroxy-2-methylpentyl pivalate

(6R,8R,9S,10R,13R,15S,16E,20S,22E)-6,9,10-tris(tert-butyldimethylsiloxy)-13-hydroxy-2,2,3,3,8,15,16,20,27,27-decamethyl-18-methylene-26,26-diphenyl-4,25-dioxa-3,26-disilaoctacosa-16,22-dien-11-one

(R)-3-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylpropyl pivalate

(2R,4R)-4,5-bis(tert-butyldimethylsiloxy)-2-methylpentyl pivalate