IUPAC:2-[(4R,5S,7R,8R,11S,12S,13R)-13,17,18-trihydroxy-2,10,14-trioxo-5,21-bis(3,4,5-trihydroxybenzoyloxy)-7-[(3,4,5-trihydroxybenzoyloxy)methyl]-3,6,9,15-tetraoxatetracyclo[10.7.1.1^{4,8}.0^{16,20}]henicosa-1(20),16,18-trien-11-yl]acetic acid
IUPAC:2-[(4R,5S,7R,8R,11S,12S,13R)-13,17,18-trihydroxy-2,10,14-trioxo-5,21-bis(3,4,5-trihydroxybenzoyloxy)-7-[(3,4,5-trihydroxybenzoyloxy)methyl]-3,6,9,15-tetraoxatetracyclo[10.7.1.1^{4,8}.0^{16,20}]henicosa-1(20),16,18-trien-11-yl]acetic acid