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

氨气

5-hydroxy-5-(5-hydroxy-1,3-dimethyl-2,4,6-trioxo-1,3-diazinan-5-yl)-1,3-dimethyl-1,3-diazinane-2,4,6-trione