2-Butenedioic acid (2Z)-, 2-hydroxybutyl 2-(2-oxo-1-imidazolidinyl)ethyl ester, polymer with butyl 2-propenoate, methyl 2-methyl-2-propenoate, 2-methylpropyl 2-methyl-2-propenoate and 2-propenoic acid 68298-68-0