Patent ID: 11882759
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 5:
6. The compound of claim 1, wherein R2, or optionally RN for the compounds of formulae I and II, are selected from the group consisting of:
a straight, or branched, alkyl of one to six carbons, which is optionally substituted with a group selected from deuterium, fluorine, aryl, heteroaryl, and combinations thereof;
an aryl, optionally substituted with a group selected from deuterium, fluorine, a straight, or branched, alkyl of one to six carbons, aryl, heteroaryl, and combinations thereof;
a heteroaryl, optionally substituted with a group selected from deuterium, fluorine, a straight, or branched, alkyl of one to six carbons, aryl, heteroaryl, and combinations thereof.