Showing structure for (3s,4r,5s,7r,9s,10r,13r,14s,16r,19s,27s)-13-ethenyl-17,19-dihydroxy-5,7,9,11-tetramethyl-2-oxa-18-azahexacyclo[19.2.2.1³,¹⁰.1¹⁶,¹⁹.0⁴,⁹.0¹⁴,²⁷]heptacosa-1(23),11,17,21,24-pentaen-15-one