| 摘要 |
1. 2,4,5-Trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives of the formula (1) see diagramm : EP0164619,P24,F1 in which R represents-COOH, -COCI, -COF, -CN, -CONH2 , -CH2 OH, -CH2 CI, -CHCI2 , -CCI3 or -CHO , R**1 represents CI or F, and R**2 represents CI or F , it only being possible for R**1 or R**2 to be F, excluding 2,4,5-trifluorobenzoic acid and 2,4,5-trifluorobenzoyl chloride. |
