(RS)-1-(2,4-二氯苯基)-5-甲基-2-吡唑啉-3,5-二羧酸
Mefenpyr;rac-(5R)-1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylic acid;1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylic acid;(RS)-1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxylic acid;1-(2,4-dichlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazole-3,5-dicarboxylic acid