1,3,5-trioxido-1,3,5-triazine-1,3,5-triium

4-hydroxy-7,9-dimethyl-tetrahydro-purine-2,6,8-trione

(1,3-dimethyl-2,5-dioxoimidazolidin-4-yl)urea

[2-(tetrazol-5-ylideneamino)hydrazinyl]urea

氯