10-(2-methoxyethyl)-3-phenyl-6,7,8,9-tetrahydrobenzo[g]pteridine-2,4-dione

异氰酸苯酯

methyl 4-(2-methoxyethyl)-3-(phenylcarbamoylimino)-5,6,7,8-tetrahydroquinoxaline-2-carboxylate

methyl 3-amino-4-(2-methoxyethyl)-7,8-dihydro-6H-quinoxaline-2-carboxylate

3-amino-4-(2-methoxyethyl)-4,6,7,8-tetrahydroquinoxaline-2-carbonitrile