4-硝基苯并[b]噻吩-2-羧酸甲酯

methyl 2-(1-phenyltetrazol-5-yl)sulfanylacetate

methyl 3-amino-5-nitro-1-benzothiophene-2-carboxylate

5,6-二甲氧基苯并[b]噻吩-2-羧酸甲酯

(2E)-2-(4-氧代-1,3-噻唑烷-2-亚基)乙腈