Chemical Formula: C24H28FNO5

4F 4PP (oxalate)

C24H28FNO5 (429.19514100000004)

4F 4PP (oxalate) is a selective 5-HT2A antagonist with almost as high affinity (Ki= 5.3 nM) as ketanserin but with a much lower affinity for 5-HT2C sites (Ki= 620 nM)[1][2][3][4].