Molecular Formula: C₈H₄N₆O₄

Chemical Name
1,3,6,8-tetrahydro-2,4,5,7-pyrimido<5,4-g>pteridinetetrone
1H,9H-Pyrimido[5,4-g]pteridin-2,4,6,8-tetraon
1H,9H-pyrimido[5,4-g]pteridine-2,4,6,8-tetraone
pyrimido<5,4-g>pteridinetetrone

Molecular Formula: C₈H₈N₁₀

Chemical Name
2,4,5,7-tetraaminopyrimido[5,4g]pteridine
Pyrimido[5,4-g]pteridin-2,4,6,8-tetrayltetraamin
pyrimido[5,4-g]pteridine-2,4,6,8-tetrayltetraamine

Molecular Formula: C₈H₆N₆O₅

Chemical Name
5-(6-amino-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-ylimino)-barbituric acid
5-(6-Amino-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-ylimino)-barbitursaeure

Molecular Formula: C₈H₇N₇O₄

Chemical Name
5-(2,4-diamino-6-oxo-1,6-dihydro-pyrimidin-5-ylimino)-barbituric acid
5-(2,4-Diamino-6-oxo-1,6-dihydro-pyrimidin-5-ylimino)-barbitursaeure

Molecular Formula: C₈H₈N₆O₆

Chemical Name
2,6-dioxo-5-[(2,4,6-trioxo-5-hexahydropyrimidinylidene)amino]-3H-pyrimidin-4-olate ammonium salt
Murexid
murexide
purpuric acid ammonium salt

Molecular Formula: C₈H₆N₆O₄

Molecular Formula: C₈H₉N₉O₂

Chemical Name
murexide

Molecular Formula: C₈H₇N₉O

Molecular Formula: C₁₀H₁₀N₆O₅

Molecular Formula: C₁₀H₉ClN₆O

Chemical Name
4-(4-Chlor-anilino)-2,6-diamino-5-nitroso-pyrimidin
5-Nitroso-2,4-diamino-6-(4-chlor-anilino)-pyrimidin
N4-(4-Chlor-phenyl)-5-nitroso-pyrimidin-2,4,6-triyltriamin
N4-(4-chloro-phenyl)-5-nitroso-pyrimidine-2,4,6-triamine
N4-(4-chloro-phenyl)-5-nitroso-pyrimidine-2,4,6-triyltriamine
N6-(4-chlorophenyl)-5-nitrosopyrimidine-2,4,6-triamine

Molecular Formula: C₁₁H₁₂N₆O

Chemical Name
5-Nitroso-2,4-diamino-6-p-toluidino-pyrimidin
5-nitroso-N4-p-tolyl-pyrimidine-2,4,6-triamine
5-nitroso-N6-(p-tolyl)pyrimidine-2,4,6-triamine

Molecular Formula: C₁₀H₁₀N₆O₂

Chemical Name
4-(2,6-diamino-5-nitroso-pyrimidin-4-ylamino)-phenol
4-[(2,4-diamino-5-nitrosopyrimidin-6-yl)amino]phenol
5-Nitroso-2,4-diamino-6-(4-hydroxy-anilino)-pyrimidin
NSC 51023

Molecular Formula: C₁₁H₁₁N₅O₂

Chemical Name
2,4-diamino-6-methoxy-5-nitroso-N4-phenylpyrimidine
2-amino-4-anilino-6-methoxy-5-nitrosopyrimidine
4-methoxy-5-nitroso-N6-phenylpyrimidine-2,6-diamine

Molecular Formula: C₁₂H₁₃N₅O₂

Chemical Name
2-amino-6-methoxy-4-(4-methylanilino)-5-nitrosopyrimidine
4-methoxy-5-nitroso-N6-(p-tolyl)pyrimidine-2,6-diamine

Molecular Formula: C₁₂H₁₀N₆O₂

Chemical Name
4-[(2-amino-4-methoxy-5-nitrosopyrimidin-6-yl)amino]-benzonitrile

Molecular Formula: C₁₂H₁₀F₃N₅O₂

Chemical Name
4-methoxy-5-nitroso-N6-[4-(trifluoromethyl)phenyl]pyrimidine-2,6-diamine

Molecular Formula: C₁₃H₁₃N₅O₄

Chemical Name
methyl 4-[(2-amino-4-methoxy-5-nitrosopyrimidin-6-yl)amino]-benzoate

Molecular Formula: C₁₁H₁₀ClN₅O₂

Chemical Name
N6-(4-chlorophenyl)-4-methoxy-5-nitrosopyrimidine-2,6-diamine

Molecular Formula: C₁₁H₁₁N₅O₃

Chemical Name
4-[(2-amino-4-methoxy-5-nitrosopyrimidin-6-yl)amino]phenol

Molecular Formula: C₁₁H₁₂N₆O₂

Chemical Name
N6-(4-aminophenyl)-4-methoxy-5-nitrosopyrimidine-2,6-diamine