2-Propenoic acid, 2-methyl-, monoester with propanediol, (2,2,4-trimethyl-1,6-hexanediyl)bis(carbamate) 42720-23-0 EINECS 255-917-0 Methacrylic acid, monoester with propanediyl (2,2,4-trimethylhexane-1,6-diyl)dicarbamate