27521-80-8
2-(2-噻嗯基)呋喃
6973-84-8
dithiophen-2-ylmethanol
7499-72-1
4-nitro-2-(thiophene-2-carbonyl)benzoic acid
7499-53-8
5-nitro-2-(thiophene-2-carbonyl)benzoic acid
65246-50-6
2-thiophen-2-yl-1-benzofuran

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