Patent ID: 8658801

Claim:
A compound represented by formula T24: wherein R 1a is hydrogen, C 1 -C 4 alkyl, C 2 -C 4 alkynyl, halogen or cyano; R 20 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkylthio-C 1 -C 6 alkyl, C 1 -C 6 alkylsulfonyl-C 1 -C 6 alkyl, C 1 -C 6 alkylsulflnyl-C 1 -C 6 alkyl, thiethan-3-yl, thiethan-3-yl substituted by C 1 -C 4 alkyl, R 100 is halogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy or C 1 -C 6 haloalkoxy.