IUPAC:(1S,2S,3R,5R,6S,7R,14R,15S,18R,21S,22R,25S)-5,7,18-trihydroxy-1,14,21,25-tetramethyl-4,20,23-trioxaheptacyclo[20.3.1.1^{2,5}.0^{3,18}.0^{3,21}.0^{6,15}.0^{9,14}]heptacosa-8,11-diene-13,19,24,27-tetrone
IUPAC:(1S,2S,3R,5R,6S,7R,14R,15S,18R,21S,22R,25S)-5,7,18-trihydroxy-1,14,21,25-tetramethyl-4,20,23-trioxaheptacyclo[20.3.1.1^{2,5}.0^{3,18}.0^{3,21}.0^{6,15}.0^{9,14}]heptacosa-8,11-diene-13,19,24,27-tetrone