prov:value
| - A composition according to claim 1, wherein in the effective compound R4 has the meaning given in claim 1, each of R1 and R3 represents hydrogen, methyl, or halogen up to and including atomic number 35 and R2 represents hydrogen, methyl, halogen up to and including atomic number 35, or trifluoromethyl, with the exclusion of the simultaneous definition of R1, R2 and R3 as hydrogen, or salts thereof
|