((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (1S,2S,3S,4S,4aR,9aR)-3,4-dihydroxy-6,6,8,8-tetraisopropyl-2-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-5,7,9-trioxa-6,8-disila-benzocyclohepten-1-yl ester

((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester