RU-27251, also known as 3,5-secoergoline or as 4-piperidin-3-yl-1H-indole, is a serotonin receptor modulator and dopamine receptor agonist of the partial ergoline family. Its affinity (KD) for the dopamine D2high receptor was 72nM and for the dopamine D2low receptor was 11,600nM. RU-27251 was first described in the scientific literature by 1983.
See also Partial ergoline Secoergoline Seco-LSD FAEFHI UCD0179 WXVL_BT0793LQ2118
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