1-甲氧基芘

2-imino-1,3-dimethylimidazolidin-4-one

1-(甲氧基甲基)-4-甲基苯

3,3,7-trimethyl-3h-furo[2,3-b]pyrano[3,2-f]quinolin-11(7h)-one

4-ethoxy-N-methylaniline