SB-200646

Systematic (IUPAC) name
1-(1-Methyl-1H-indol-5-yl)-3-pyridin-3-ylurea
Clinical data
Legal status	UN: Unscheduled
Identifiers
ATC code	none
PubChem	CID: 126769
Chemical data
Formula	C15H14N4O
Molecular mass	302.76 g/mol

SB-200646 is a 5-HT₂ receptor antagonist with anxiolytic properties in rats. It was the first 5-HT₂ antagonist discovered to have selectivity of 5-HT_2C/_2B over 5-HT_2A.