p. 4986 - 4989
(2012/08/28)p. 125 - 128
(2007/10/03)2,4-dihydroxy-3-nitropyridine
3-deazauracil
2-benzyloxy-4-(2, 4-dichloro-phenyl)-3-nitro-pyridine
4-(2,4-dichloro-phenyl)-3-nitro-pyridin-2-ol
2-chloro-4-(2, 4-dichloro-phenyl) - 3-nitro-pyridine