Showing structure for 19-[(4,5-dihydroxy-6-methyloxan-2-yl)oxy]-11-hydroxy-3,9-dimethyl-5-oxa-2-azapentacyclo[11.8.0.0²,⁶.0⁷,¹².0¹⁵,²⁰]henicosa-1(13),7,9,11,15,17,19-heptaene-4,14,21-trione