4,4'-二氯苯偶酰

1-p-chlorophenyl-3-phenylsulfinul-2-propen-1-one

(E)-4',beta-二氯丙烯酰苯

1-[trans-3-(4-chlorophenyl)-3-oxoprop-1-enyl]-3-hydroxypyrimidinium chloride

4-chlorobenzoyl fluoride