((4,6-Dioxo-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl)oxy)acetonitrile dihydrate 1,2,3,4-Tetrahydro-2,4-dioxo-6-cyanomethoxy-5-triazine dihydrate 137522-78-2 Acetonitrile, ((1,4,5,6-tetrahydro-4,6-dioxo-1,3,5-triazin-2-yl)oxy)-, dihydrate