4-(2-hydroxyethyl)-4-methylpyrrolidin-2-one;4-(2-hydroxyethyl)-4-methyl-pyrrolidin-2-one;4-(2-hydroxyethyl)-4-methyl-2-pyrrolidinone;4-(2-hydroxyethyl)-4-methyl-2-pyrrolidone
4-(2-hydroxyethyl)-4-methylpyrrolidin-2-one