1,4,9,10-蒽四酮

1,4-dihydroxy-9,10-dioxoanthracene-2,3-dicarbonitrile

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2,3-dicarboxylic acid-anhydride

3-噻吩乙腈

2,3-二甲基奎札因