Showing structure for (1s,4s,5s,7r,8s,10e,12r,13s,16r,17s)-4,13,19-trihydroxy-5,8,14,15,17-pentamethyl-6-oxa-18-azatetracyclo[10.7.0.0¹,¹⁶.0⁵,⁷]nonadeca-10,14,18-trien-2-one