?Benzoylchloride, 4-chloro- , its CAS NO. is 122-01-0, the synonyms are 4-chloro-benzoylchlorid ; Benzoyl chloride, 4-chloro- ; Benzoyl chloride, p-chloro- ; Benzoylchloride,4-chloro- ; para-Chlorobenzoyl chloride? .