16357-81-6
pyrimido[4,5-d]pyrimidine-2,4-diamine
→
88075-69-8
2,4,6-triaminopyrimidine-5-carbaldehyde
+
89891-06-5
N-(2,6-diamino-5-formylpyrimidin-4-yl)formamide
89891-01-0
89891-03-2
Pyrimido[4,5-d]pyrimidin-4-ol, 5,7-diamino-1,4-dihydro-,monohydrochloride