IUPAC:(1R,3S,6S,17S,19S)-6,11,12-trihydroxy-18,18-dimethyl-3,17,19-tris(3-methylbut-2-en-1-yl)-4-methylidene-15-oxapentacyclo[15.3.1.0^{1,6}.0^{7,16}.0^{9,14}]henicosa-7(16),9,11,13-tetraene-8,21-dione
IUPAC:(1R,3S,6S,17S,19S)-6,11,12-trihydroxy-18,18-dimethyl-3,17,19-tris(3-methylbut-2-en-1-yl)-4-methylidene-15-oxapentacyclo[15.3.1.0^{1,6}.0^{7,16}.0^{9,14}]henicosa-7(16),9,11,13-tetraene-8,21-dione