4-amino-1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]thieno[2,3-d]pyrimidin-2-one

2-(1H-吡咯-1-基)噻吩-3-羧酸

6-nitro-3H-thieno[2,3-d]pyrimidin-4-one

2-(1H-吡咯-1-基)噻吩-3-甲腈

ethyl N-(3-cyanothiophen-2-yl)methanimidate