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Ethanimidamide,N-[[(3-nitrophenyl)amino]carbonyl]-N,N'-diphenyl-;
Urea, 1-(N-nitrophenyl)-3-phenyl-3-(1-(phenylimino)ethyl)-

C21H18N4O3

1(6H)-Pyridazinebutanoicacid, 6-oxo-3-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-;
Pyrazolo[1,5-a]pyridine,1(6H)-pyridazinebutanoic acid deriv.;
FK 838

C21H18N4O3

1H-Pyrazole-4-carboxylicacid, 5-(2-methyl-4-oxo-3(4H)-quinazolinyl)-1-phenyl-, ethyl ester

C21H18N4O3

2,4,6(3H)-Pteridinetrione,1,5-dihydro-3-methyl-1-(2-methylphenyl)-7-(phenylmethyl)-;
Lumazine,7-benzyl-6-hydroxy-3-methyl-1-o-tolyl- (6CI)

C21H18N4O3

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