File:4-((3-carboxyprop-2-enoyl)oxymethyl)-10-formyl-3,9-dihydroxy-1,7-dimethyl-6-oxo-benzo(b)(1,4)benzodioxepine-2-carboxylic acid.svg
![File:4-((3-carboxyprop-2-enoyl)oxymethyl)-10-formyl-3,9-dihydroxy-1,7-dimethyl-6-oxo-benzo(b)(1,4)benzodioxepine-2-carboxylic acid.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bc/4-%28%283-carboxyprop-2-enoyl%29oxymethyl%29-10-formyl-3%2C9-dihydroxy-1%2C7-dimethyl-6-oxo-benzo%28b%29%281%2C4%29benzodioxepine-2-carboxylic_acid.svg/400px-4-%28%283-carboxyprop-2-enoyl%29oxymethyl%29-10-formyl-3%2C9-dihydroxy-1%2C7-dimethyl-6-oxo-benzo%28b%29%281%2C4%29benzodioxepine-2-carboxylic_acid.svg.png?20180729014730)
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