3,5-bis(methoxycarbonyl)benzoic acid Chemical Formula: C11H10O6 Exact Mass: 238.0477 Molecular Weight: 238.1950 m/z: 238.0477 (100.0%), 239.0511 (11.9%), 240.0520 (1.2%) Elemental Analysis: C, 55.47; H, 4.23; O, 40.30
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