171088-73-6 4-((4-Methylphenyl)amino)-4-oxobutanoic acid compd. with 4,5-dihydro-2-thiazolamine (1:1) Butanoic acid, 4-((4-methylphenyl)amino)-4-oxo-, compd. with 4,5-dihydro-2-thiazolamine (1:1)