IUPAC:(1R,2R,4S,16R,17R,20S)-2-hydroxy-13,20-dimethoxy-4,7,17,22,22-pentamethyl-5,10,21,23-tetraoxahexacyclo[18.2.1.0^{1,17}.0^{4,16}.0^{6,14}.0^{8,12}]tricosa-6(14),7,12-trien-11-one
IUPAC:(1R,2R,4S,16R,17R,20S)-2-hydroxy-13,20-dimethoxy-4,7,17,22,22-pentamethyl-5,10,21,23-tetraoxahexacyclo[18.2.1.0^{1,17}.0^{4,16}.0^{6,14}.0^{8,12}]tricosa-6(14),7,12-trien-11-one