Patent ID: 7887824

Claim:
A composition, comprising an active ingredient, wherein: the active ingredient comprises at least one member selected from the group consisting of compounds of formula (III), salts thereof, and isomers thereof; and formula (III) is where: R 13 represents a (C 1 -C 9 ) alkyl group substituted with 1 to 5 groups selected from the group consisting of —OR 5 groups and —O—SO 2 NRR′ groups; R 13′ represents a hydrogen atom or a (C 1 -C 4 ) alkyl group; R 5 represents a hydrogen atom, a (C 2 -C 4 ) alkyl group, a —SO 2 NRR′ group, or a SiR 8 R 9 R 10 group; R 8 , R 9 and R 10 each independently represents a (C 1 -C 4 ) alkyl group; and R and R′ each independently represents a hydrogen atom or a (C 1 -C 4 ) alkyl group.