Synonyms: 2-Butenoic acid, 4-((2-ethylhexyl)amino)-4-oxo-, (2Z)-, compd. with 2,2',2''-nitrilotris(ethanol) (1:1);2-Butenoic acid, 4-((2-ethylhexyl)amino)-4-oxo-, (Z)-, compd. with 2,2',2''-nitrilotris(ethanol) (1:1);4-((2-Ethylhexyl)amino)-4-oxoisocrotonic acid, compound with 2,2',2''-nitrilotris(ethanol) (1:1);(2Z)-4-[(2-ethylhexyl)amino]-4-oxobut-2-enoic acid - 2,2',2''-nitrilotriethanol (1:1)