171088-74-7 4-((4-Methoxyphenyl)amino)-4-oxobutanoic acid compd. with 4,5-dihydro-2-thiazolamine (1:1) Butanoic acid, 4-((4-methoxyphenyl)amino)-4-oxo-, compd. with 4,5-dihydro-2-thiazolamine (1:1)