6-methylsulfanylcyclohex-2-en-1-one

4-methyl-4-(methyldisulfanyl)pentanoic acid

diethyl 2,2-bis(methylsulfanyl)propanedioate

2,3-二氯-5-(5-乙基-1,3-噁唑-2-基)-4-(甲基硫代)吡啶

甲基 4-吡啶基二硫醚