Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
4,4'-Difluorobenzophenone (4,4-Difluorobenzophenone; 4 4-Difluorobenzophenone; 4 4'-Difluorobenzophenone) is an intermediate in the synthesis of the polymer PEEK and is also used in the synthesis of Flodafinil (Flmodafinil, Difluoromodafinil), Fladrafinil (Difluoroadrafinil) and Modafiendz (N-Methyl-Flodafinil, N-Methyl-Flmodafinil).
Text fits
Save
Cancel