82933-87-7
2,4-diamino-6-methyl-pyrido[3,2-d]pyrimidine
→
~81%
78711-30-5
2-amino-6-methyl-1H-pyrido[3,2-d]pyrimidin-4-one
78711-28-1
2-chloro-6-methyl-1H-pyrido[3,2-d]pyrimidin-4-one
~77%