2-acetamidofluorene 2-AAF 2-Acetylaminofluorene C(=O)(NC=1C=C2C(C=3C(C2)=CC=CC3)=CC1)C C15H13NO CAS:53-96-3 N-(9H-fluoren-2-yl)acetamide The parent of the class of 2-acetamidofluorenes, being an ortho-fused polycyclic arene that consists of 9H-fluorene bearing an acetamido substituent at position 2. It is a carcinogenic and mutagenic derivative of fluorene. Wikipedia:2-Acetylaminofluorene organic molecular entity