甲胺

α,α-azoxytoluene

5,7-dimethyl-[1,2]oxazolo[3,4-d]pyrimidine-4,6-dione

3-ethyl-5,7-dimethyl-[1,2]oxazolo[3,4-d]pyrimidine-4,6-dione

4-(5,7-dimethyl-4,6-dioxo-[1,2]oxazolo[3,4-d]pyrimidin-3-yl)butanoic acid