5-carboxy-1-methylpyridin-1-ium-3-carboxylate
Chemical Formula: C8H7NO4
Exact Mass: 181.0375
Molecular Weight: 181.1470
m/z: 181.0375 (100.0%), 182.0409 (8.7%)
Elemental Analysis: C, 53.04; H, 3.90; N, 7.73; O, 35.33
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