Showing structure for (1s,2s,6r,7s,8r,12r,14s,15s,19s,20r)-7,10-dihydroxy-17-methoxy-7,15,19,20-tetramethyl-3,5,11-trioxapentacyclo[10.7.1.0²,⁶.0⁸,²⁰.0¹⁴,¹⁹]icos-16-en-18-one