IUPAC:(19E)-11,19,28-trimethyl-2-methylidene-13,30-dioxaheptacyclo[21.11.0.0^{6,18}.0^{7,15}.0^{10,14}.0^{24,32}.0^{27,31}]tetratriaconta-1(23),6,10(14),11,15,17,19,24(32),27(31),28,33-undecaene-8,9,25,26-tetrone
IUPAC:(19E)-11,19,28-trimethyl-2-methylidene-13,30-dioxaheptacyclo[21.11.0.0^{6,18}.0^{7,15}.0^{10,14}.0^{24,32}.0^{27,31}]tetratriaconta-1(23),6,10(14),11,15,17,19,24(32),27(31),28,33-undecaene-8,9,25,26-tetrone