2-(Hydroxymethyl)-2-propenoic acid 2-(Hydroxymethyl)acrylic acid 2-Propenoic acid, 2-(hydroxymethyl)- 4370-80-3 Acide hydroxymethylacrylique [French] Acrylic acid, 2-(hydroxymethyl)- (7CI) Hydracrylic acid, 2-methylene- (6CI,8CI) Hydroxymethylacrylic acid