IUPAC:7,9,11,12,14-pentahydroxy-13-methyl-12-(3-methyloxirane-2-carbonyl)-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3,5,7-trien-2-one
IUPAC:7,9,11,12,14-pentahydroxy-13-methyl-12-(3-methyloxirane-2-carbonyl)-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3,5,7-trien-2-one