141847-20-3 2-Propenamide, N-(1,1-dimethyl-3-oxobutyl)-N-(hydroxymethyl)- 42772-51-0 EINECS 255-936-4 Hydroxymethyl diacetone acrylamide N-(1,1-Dimethyl-3-oxobutyl)-N-(hydroxymethyl)acrylamide