Synonyms: 1H-Benzimidazolium,5,6-dichloro-2-[3-(5,6-dichloro-1,3-diethyl-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propenyl]-1-ethyl-3-[2-[(methylsulfonyl)amino]-2-oxoethyl]-,hydroxide, inner salt; 1H-Benzimidazolium, 5,6-dichloro-2-[3-(5,6-dichloro-1,3-diethyl-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propenyl]-1-ethyl-3-[2-[(methylsulfonyl)amino]-2-oxoethyl]-,inner salt (9CI)