2 2 4 trimethyl 1 2 dihydroquinoline polymerized July 8, 2019 16 32 64 128 2 2 4-trimethyl-1 2-dihydroquinoline polymerized (tmq) 2 2 4-trimethyl-1 2-dihydroquinoline polymer 2 2 4-trimethyl-1 2-dihydroquinoline 1 2-dihydro-2 2 4-trimethyl-quinoline 2 4-dimethylquinoline 2 3-dimethylhydroquinone