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Cytosine

[1,2-a]Pyrimidine

[1,2-c]pyrimidine

[1,5-a]pyrimidine

[1,5-c]pyrimidine

[2,3-d]Pyrimidine

[3,2-d]Pyrimidin

[3,4-d]Pyrimidine

[4,3-d]pyrimidine

[4,5-d]pyrimidine

[5,4-d]pyrimidine

Pyrimidine

Pyrimidinone

Pyrimidine

Pyrimidine

IodoPyrimidin

Pyrimidinol

FluoroPyrimidin

ChloroPyrimidin

BromoPyrimidin

Order 61466-26-0 5H-[1]Benzopyrano[4,3-d]pyrimidin-5-ol, 2-amino-9-chloro-

Order 112500-71-7 1,3-dimethylpyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione

Order 1449117-45-6 2-chloroethyl 2,4-dichloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Order 38626-78-7 6-phenyl-5,6,7,8-tetrahydrophosphinino[4,3-d]pyrimidin-4-amine 6-oxide

Order 7243-39-2 3-[(4-piperidin-1-yl-2-pyridin-3-yl-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)methyl]benzonitrile

Order 61466-28-2 5H-[1]Benzopyrano[4,3-d]pyrimidin-5-ol, 2-(4-morpholinyl)-

Order 112500-66-0 5-amino-1,3-dimethylpyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione

Order 446292-24-6 3-[4-[2-(1,5-dimethyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-6-yl)ethoxy]phenyl]-2-ethoxypropionic acid

Order 646063-55-0 4H-[1]Benzopyrano[4,3-d]pyrimidin-2-amine,4-(4-chlorophenyl)-1,5-dihydro-

Order 479074-06-1 5-(2-Ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidine-7-thione

Order 7243-25-6 2-methyl-4-morpholin-4-yl-6-(morpholin-4-ylcarbonyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine

Order 401030-82-8 7H-Pyrazolo[4,3-d]pyrimidin-7-one,5-[2-ethoxy-5-(4-morpholinylacetyl)phenyl]-1-ethyl-1,4-dihydro-3-propyl-

Order 1201781-22-7 1-chloroethyl 2,4-dichloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Order 425634-96-4 2H-Thiopyrano[4,3-d]pyrimidine-1(5H)-propanamide, 3,4,7,8-tetrahydro-2,4-dioxo-N-[2-oxo-2-[4-(2-pyrimidinyl)-1-piperazinyl]ethyl]-

Order 479074-07-2 3-(6,7-Dihydro-1-methyl-3-propyl-7-thioxo-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride

Order 871025-50-2 1H-Pyrazolo[4,3-d]pyrimidin-7-amine,N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-

Order 33823-01-7 [3-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2h-pyrazolo[4,3-d]pyrimidin-7-yl]-trimethylazanium;chloride

Order 944901-92-2 2-CHLORO-4-METHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDINE

Order 361340-57-0 1-methyl-5-(5-nitro-2-propoxyphenyl)-3-propyl-4h-pyrazolo[4,3-d]pyrimidin-7-one

Order 112500-67-1 Pyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione, 5-amino-1,3-diethyl-