Patent ID: 7273879

Claim:
A thiadiazole compound of the formula (A): wherein R 1 represents methyl, C 3 -C 7 alkenyl, C 2 -C 7 alkoxyalkyl, C 2 -C 7 alkylthioalkyl, C 4 -C 7 alkoxyalkoxyalkyl, C 4 -C 7 alkylthioalkoxyalkyl, phenyl C 1 -C 2 alkyl, phenyloxy C 1 -C 2 alkyl, phenyl C 2 -C 3 alkoxyalkyl, wherein the phenyl group or the phenyloxy group is optionally substituted, or the substituent of the formula (B): wherein R 3 represents C 1 -C 3 alkyl, and R 4 represents a hydrogen atom, methyl, ethyl or optionally substituted phenyl; and R 2 represents phenyl C 1 -C 4 alkyl, wherein the phenyl group is optionally substituted.