Einecs 262-209-5

N-Methyl-3-carboxypyridinium p-toluene sulfonate

3-carboxy-1-methylpyridinium toluene-p-sulphonate

Pyridinium, 3-carboxy-1-methyl-, 4-methylbenzenesulfonate (1:1)

Pyridinium, 3-carboxy-1-methyl-, salt with 4-methylbenzenesulfonic acid (1:1)