N~3~-(2-Sulfanylethyl)-beta-alaninamide 4-methylbenzenesulfonate (1:1);Propanamide, 3-((2-mercaptoethyl)amino)-, 4-methylbenzenesulfonate (salt);propanamide, 3-[(2-mercaptoethyl)amino]-, 4-methylbenzenesulfonate (1:1)
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