2,2'-联糠醛

2-methyl-6-(1-methyl-2-(2,4-dinitrophenyl)thio-4-hydroxy-1-butenyl)-5,6-dihydropyrimido<4,5-d>pyrimidine

2-[3-[(4-氨基-2-甲基嘧啶-5-基)甲基]-4-甲基-1,3-噻唑-3-鎓-5-基]乙醇碘化物

2-methyl-6-(1-methyl-2-ethylthio-4-hydroxy-1-butenyl)-5,6-dihydropyrimido<4,5-d>pyrimidine

3-methyl-6-(5-hydroxy-3-(methylmercapto)-2-penten-2-yl)-5,6-dihydropyrimido[4,5-d]pyrimidine