Patent ID: 8168796

Claim:
A pyrazoline compound represented by formula (I): wherein R 1 , R 2 and R 3 each independently represents hydrogen, halogen, C 1-8 alkyl, C 1-8 alkoxy, amino, an alkylamino or dialkylamino group having a C 1-8 alkyl group, sulfomethyl, sulfoamide, or a trimethylsilylethynyl group or a substituted or unsubstituted phenylethynyl group represented by formula (II): (wherein X represents hydrogen, halogen, C 1-3 alkyl or C 1-3 alkoxy), with the proviso that at least one of R 1 , R 2 and R 3 represents a trimethylsilylethynyl group or phenylethynyl group; and m and n each represent 0 or 1.