DMEQ-TAD;4-(2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalinyl)ethyl)-1,2,4-triazoline-3,5-dione;4-[2-(3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinyl)ethyl]-3H-1,2,4-triazole-3,5(4H)-dione;4-[2-(3,4-Dihydro-6,7-diMethoxy-4-Methyl-3-oxo-2-quinoxalinyl)ethyl]-