1,1-Dimethoxy-2-propanone 1,1-Dimethoxyacetone 2-Propanone, 1,1-dimethoxy- 6342-56-9 Dimethoxymethyl methyl ketone Methylglyoxal dimethyl acetal NSC50127 Pyruvaldehyde dimethyl acetal Pyruvaldehyde, 1-(dimethyl acetal)