| abstract |
(57) [Summary] [Structure] The following equation (1): (In the formula, Y is hydrogen, a lower alkyl group or the like; X 1 to X 6 are Identical or different from each other, a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxyl group, a nitro group, (1) A harmful harmful organism control agent in water containing an indole compound represented by a cyano group, a cyano lower alkyl group, a halogenated lower alkyl group, a di (lower alkylamino) lower alkyl group, etc.) as an active ingredient. [Effects] A highly safe underwater harmful organism control agent is provided. |