IUPAC:4-[14-hydroxy-8,23,23-trimethyl-5-(3-methylbut-2-en-1-yl)-16,20-dioxo-11-(prop-1-en-2-yl)-3,7,22-trioxaheptacyclo[17.4.1.1^{8,12}.0^{2,17}.0^{2,21}.0^{4,15}.0^{6,13}]pentacosa-4(15),5,13,17-tetraen-21-yl]-2-methylbut-2-enoic acid
IUPAC:4-[14-hydroxy-8,23,23-trimethyl-5-(3-methylbut-2-en-1-yl)-16,20-dioxo-11-(prop-1-en-2-yl)-3,7,22-trioxaheptacyclo[17.4.1.1^{8,12}.0^{2,17}.0^{2,21}.0^{4,15}.0^{6,13}]pentacosa-4(15),5,13,17-tetraen-21-yl]-2-methylbut-2-enoic acid