5-溴-2-羧基噻吩

2-(2-methoxynaphthalen-1-yl)thiophene

1,4-bis(5-bromothiophen-2-yl)butane-1,4-dione

N,N-diethylthiophene-2-carboxamide

N,N-diethyl-2-oxo-2-(thiophen-2-yl)acetamide