1 MXX 5,8-dimethoxy-1,4-dimethylquinolin-2(1h)-one 1.000 2 MZX 5,8-dimethoxy-4-methylquinolin-2(1h)-one 0.941 3 RZW 5,6,8-trimethoxy-1,4-dimethylquinolin-2(1h)-one 0.895 4 VVV 5,6,8-trimethoxy-4-methylquinolin-2(1h)-one 0.842 5 A7B 8-methoxy-4-methylquinolin-2(1h)-one 0.824 6 EWQ 6,8-dimethoxy-1,4-dimethylquinolin-2(1h)-one 0.789 7 YTR 7,8-dimethoxy-1,4-dimethylquinolin-2(1h)-one 0.789 8 ZXZ 1,4-dimethylquinolin-2(1h)-one 0.765 9 VAP 6,7,8-trimethoxy-1,4-dimethylquinolin-2(1h)-one 0.714 10 12Q 1-methylquinolin-2(1h)-one 0.706 11 AJ2 4-methylquinolin-2-ol 0.706