Wiktionary
valerophenone
n. (context organic compound English) The ketone ''1-phenyl-1-pentanone'' that is used in photochemistry
Wikipedia
Valerophenone
Valerophenone, or butyl phenyl ketone, is an aromatic ketone. It is a colorless liquid with a flash point of 102 °C. Valerophenone is used as a tool in the study of various photochemical processes.
Valerophenone is also an inhibitor of the enzyme carbonyl reductase.