I just read about that in Asimov's autobiography. He wrote it when he was a grad student at Columbia and was worried that it (a satire of chemistry papers) might harm his chances of passing his final (oral) PhD examination. His examiners never mentioned it until the very end... when one asked him what he knew about resublimated thiotimoline, at which time Asimov burst out in a fit of nervous laughter.

He passed.