| Molecular Formula | C15H12ClNO |
| Molar Mass | 257.71 |
| Physical and Chemical Properties | Chemical properties crystalline compounds. Melting point 88-91 ℃. |
| Use | Use is an intermediate for the enemy to retreat cough. |
Chlorinated with o-chlorobenzoic acid with thionyl chloride to generate o-chlorobenzoyl chloride, and then condensed with benzene with the participation of aluminum trichloride to obtain o-chlorobenzophenone. The latter is condensed with acetonitrile under the action of sodium amide to obtain the product.