4-氯吲哚-3-甲醛

2-氯-4,6-二甲氧基苯甲醛

2,4-二氟-3-甲氧基苯甲醛

2,3,5,6-四氟吡啶

N,N-dimethyl-1,1-bis(perfluoropyridin-4-yl)methanamine