Showing structure for (2s,4s,6s,7r,8r,9r,12r,13r,15s,16r,18r)-2,7,15,16-tetrahydroxy-6-[(1s,2s)-1-hydroxy-2,3-dimethylbutyl]-7,9,13-trimethyl-5-oxapentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icos-1(20)-en-19-one