Showing structure for (1r,2s,5s,6s,8r,9s,11s,13s,14s,15r,19s)-13,14,19-trihydroxy-6-(methoxymethyl)-16,16-dimethyl-10,12-dioxahexacyclo[9.8.0.0¹,¹⁵.0²,⁸.0⁵,⁹.0⁸,¹³]nonadecan-7-one