Rauwolscine

Rauwolscine, also known as isoyohimbine, α-yohimbine,corynanthidine, is an alkaloid found in species of the Rauwolfia and Pausinystalia (formerly known as Corynanthe) genera. It is a stereoisomer of yohimbine. Rauwolscine possess stimulant and aphrodisiac properties.

Rauwolscine acts predominantly as a α2-adrenergic receptor antagonist. It has also been shown to function as a 5-HT1A receptor partial agonist and 5-HT2A and 5-HT2B receptor antagonist.