5-甲基噻吩-2-羧酸乙酯

3-硝基噻吩-2-甲醛

tert-butyl N-(5-methylthiophen-2-yl)carbamate

5-(bromomethyl)thiophene-2-carboxylic acid

(5-甲基噻吩-2-基)甲醇