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(2007/10/02)3,4,5-Trimethoxycarbonyloxybenzoylchlorid
(3,4,5-Tris-ethoxycarbonyloxy-benzoylamino)-acetic acid
3,4,5-Tris-ethoxycarbonyloxy-benzoic acid 2,5-dioxo-pyrrolidin-1-yl ester
O,O,O-triethoxycarbonylgallic acid
3,4,5-trihydroxybenzoic acid