R2,TRIMETHYLAMINE, DIMETHACRYLATE, butane-1,4-diol dimethylacrylate, Butane-1,4-diol dimethacrylate; 1,4-butadediol; TRIMETHYLAMINE; 1,4-dihydroxybutane dimethacrylate; TMA-25; butane-1,4-diyl di(methacrylate); TMA-40; 1,4-Butanediol dimethacrylate; N-TRIMETHYLAMINE;, TMA, x970, 1,4-Butadediol dimethacrylate, 1,4-Butanediol dimethacrylate bio-based