37678-73-2;AC1MI237;EINECS 253-620-0;1,2-Dihydro-6-hydroxy-1,4-dimethyl-2-oxo-3-pyridinesulphonic acid;2-hydroxy-1,4-dimethyl-6-oxopyridine-3-sulfonic acid;1,2-DIHYDRO-6-HYDROXY-1,4-DIMETHYL-2-OXO-3-PYRIDINESULFONIC ACID
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