[2-(thiophene-2-carbonyl)phenyl]-thiophen-2-ylmethanone

2-[(2,2-dimethyl-1,3-dioxolan-4-yl)methylsulfanyl]pyridine

2-吡啶基硫醚

2-甲硫基吡啶

5-三氟甲基吡啶-2-磺酰氯