6-(2-morpholin-4-ylethylamino)-4-[(4-phenylsulfanylphenyl)amino]-1,7-naphthyridine-3-carbonitrile
6-(2-morpholinoethylamino)-4-[(4-phenylsulfanylphenyl)amino]-1,7-naphthyridine-3-carbonitrile
6-(2-morpholinoethylamino)-4-[[4-(phenylthio)phenyl]amino]-1,7-naphthyridine-3-carbonitrile