Bis(carbon dioxide);(2,3-dihydroxy-4-methylphenyl)-(3,4,5-trimethoxyphenyl)methanone;[3-(4-ethoxycarbonyloxy-3,5-dimethoxybenzoyl)-2-methoxy-6-methylphenyl]chloranuidylmethyl formate;ethyl [4-(3-hydroxy-2-methoxy-4-methylbenzoyl)-2,6-dimethoxyphenyl] carbonate;(4-hydroxy-3,5-dimethoxyphenyl)-(3-hydroxy-2-methoxy-4-methylphenyl)methanone;(4-hydroxy-2,3-dimethylphenyl)-(3,4,5-trimethoxyphenyl)methanone;(3-hydroxy-2-methoxy-4-methylphenyl)-(3,4,5-trimethoxyphenyl)methanone;[2-methoxy-6-methyl-3-(3,4,5-trimethoxybenzoyl)phenyl]chloranuidylmethyl formate;(2,3,4-trihydroxyphenyl)-(3,4,5-trihydroxyphenyl)methanone;(2,3,4-trihydroxyphenyl)-(3,4,5-trimethoxyphenyl)methanone