WIN 55212-2 is a organic heterotricyclic compound that is 5-methyl-3-(morpholin-4-ylmethyl)-2,3-dihydro[1,4]oxazino[2,3,4-hi]indole substituted at position 6 by a 1-naphthylcarbonyl group. It has a role as an analgesic, a neuroprotective agent and an apoptosis inhibitor. It is an organic heterotricyclic compound, a member of morpholines, a naphthyl ketone and a synthetic cannabinoid.