SEARCH Articles Figures Tables 4.5- dimethyl-2- oxazole 5.6- Dimethyl-2-[2- -ethyl Dimethyl Diels-Alder Dimethyl reactions Ethyl 2,4-dimethyl-3-nicotinate Ethyl Diels-Alder reactions Ethyl Diels-Alder with Ethyl nicotinate Ethylation ethylene Ethylene Diels-Alder Ethylene Diels-Alder with Ethylene reaction with Ethylene reactions Ethylenes Diels-Alder reaction Oxazole Diels-Alder reactions Oxazole reactions Oxazoles reactions Oxazoles, Diels-Alder reaction Reaction nicotinic