In the title compound. C30H31NO2. the cyclohexanone ring in the naphthalene fused-ring system adopts a half-chair conformation. presumably due to conjugation of the benzene ring. https://www.bekindtopets.com/flash-grab-Looney-Tunes-Daffy-Duck-Patches-iPhone-14-Plus-Clear-Case-p34015-mega-offer/