IUPAC:4,11-dimethyl (1S,4S,5R,7S,8R,11S,12R,14S,15R)-7,14-dihydroxy-6-[(1S,2S,6S,8S,9R,11S)-2-hydroxy-11-methyl-5,7,10-trioxatetracyclo[6.3.1.0^{2,6}.0^{9,11}]dodec-3-en-9-yl]-6-methyl-12-{[(2E)-2-methylbut-2-enoyl]oxy}-3,9-dioxatetracyclo[6.6.1.0^{1,5}.0^{11,15}]pentadecane-4,11-dicarboxylate
IUPAC:4,11-dimethyl (1S,4S,5R,7S,8R,11S,12R,14S,15R)-7,14-dihydroxy-6-[(1S,2S,6S,8S,9R,11S)-2-hydroxy-11-methyl-5,7,10-trioxatetracyclo[6.3.1.0^{2,6}.0^{9,11}]dodec-3-en-9-yl]-6-methyl-12-{[(2E)-2-methylbut-2-enoyl]oxy}-3,9-dioxatetracyclo[6.6.1.0^{1,5}.0^{11,15}]pentadecane-4,11-dicarboxylate