3,3-dichloro-1-(4-nitrophenyl)prop-2-en-1-one

3-bromo-2,4,6-trimethylbenzoic acid

3,3'-氧基二(2-氯-1-丙烯)

alpha-(三氯甲基)-4-氯苯甲醇

4-氯-3-氧代丁酰氯