IUPAC:(1S,17S)-3,7,9-trihydroxy-17-methyl-16,21-dioxapentacyclo[15.3.1.0^{2,15}.0^{4,13}.0^{6,11}]henicosa-2(15),3,6,8,10,13-hexaene-5,12-dione
IUPAC:(1S,17S)-3,7,9-trihydroxy-17-methyl-16,21-dioxapentacyclo[15.3.1.0^{2,15}.0^{4,13}.0^{6,11}]henicosa-2(15),3,6,8,10,13-hexaene-5,12-dione