3-hydroxy-2-methylprop-2-enal

5-氯-2-甲基吲哚-3-羧醛

3-氯-3-(4-甲氧基苯基)丙烯腈

2H-1-苯并吡喃-3-羧醛, 7-(二乙基氨基)-2-氧代-

ethyl 2-(3-formyl-1-methylindol-2-yl)acetate