Showing structure for (1r,2r,7r,11r,12s,16s)-15-(5-ethyl-3,4-dihydroxy-6-methylheptan-2-yl)-4,5-dihydroxy-2,16-dimethyl-9-oxatetracyclo[9.7.0.0²,⁷.0¹²,¹⁶]octadecan-8-one