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Elsinochromes and hypocrellins are naturally occurring perylenequinonoid photosensitizers and have been given much attention in recent years. Elsinochromes contain a six-membered side ring, while hypocrellins have a seven-membered side ring. The rigidity of the six-membered ring leads elsinochromes to be less twisted than hypocrellins. To investigate the effect of the planarity of the aromatic system...
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