label: 4-((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-2-hydroxy-3,5,6-trimethylbenzoic acid 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester
label_lc: 4-((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-2-hydroxy-3,5,6-trimethylbenzoic acid 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester