1 I6G 8-methoxy-2,3-dimethylquinoxalin-5-ol 1.000 2 KD4 2-chloro-5-methoxy-3-methylquinoxaline 0.812 3 JD6 2,3-dimethylquinoxalin-6-amine 0.750 4 K6F 6-chloro-2,3-dimethylquinoxaline 0.750