dimethyl 1-methylindole-5,6-dicarboxylate

5-carboxy-2-methoxycarbonyl-4-methylthiophen-3-olate

1-thia-4,7,10,13-tetrazacyclopentadecane-3,14-dione

2,6-二氧代-4-硫杂-18-冠醚-6