2-oxo-4-phenyl-6-sulfanyl-1H-pyridine-3,5-dicarbonitrile

6-cyclopropyl-2-sulfanylidene-1H-pyridine-3-carbonitrile

2,6-二氨基-4-苯基-4H-硫代吡喃-3,5-二甲腈

2,6-diamino-4-(4-methoxyphenyl)-4H-thiopyran-3,5-dicarbonitrile

2,6-二氨基-4-(4-氯苯基)-4H-硫代吡喃-3,5-二甲腈