2-CYCLOHEXYL-5-((5,5-DIMETHYL-2-SULFANYLIDENE-1,3,2.LAMBDA.5-DIOXAPHOSPHINAN-2-YL)OXY)-4-METHOXYPYRIDAZIN-3-ONE
2-cyclohexyl-5-((5,5-dimethyl-2-sulfanylidene-1,3,2.lambda.5-dioxaphosphinan-2-yl)oxy)-4-methoxypyridazin-3-one