1,2-dimethylthioxanthen-9-one

2-(2-methylphenyl)sulfanylbenzoic acid

2-[5-(2-羧基苯基)硫基-9,10-二氧代蒽-1-基]巯基苯甲酸

[(9-氧代-9H-噻吨-2-基)氧基]乙酸

methyl 3-(2-formylphenyl)sulfanylhex-2-enoate