"DMAD" . . . . . . . . "acid dimethyl ester" . . . . . . . "Acetylenedicarboxylic" . "dimethylphenylethylcarbinyl acetate" . "Dimethyl acetylenedicarboxylate" . "dimethyl acetylenedicarboxylate" . . . . . . . . . "Dimethyl but-2-ynedioate" . "Dimethyl acetylenedicarboxylate" .