dithiolo[3,4-b]pyridine-3-thione

2-(氯硫基)烟酰氯

3-phenyl-[1,4]oxathiepino[5,6-b]pyridine-5-one

2-[(2-氧代-2-苯基乙基)硫基]烟酸

2-硫氧代-1,2-二氢吡啶-3-羧酸甲酯