9,10-dihydro-9,10-di(penta-1,4-diyn-3-ylidene)anthracene

3,4-Coronen-dicarbonsaeure-anhydrid

四环[14.2.2.24,7.210,13]二十四碳-4,6,10,12,16,18,19,21,23-九烯

二苯并[bc,kl]晕苯

9,12-dimethyl-dibenzo[c,g]phenanthrene-3,4-dicarboxylic acid-anhydride