Tags: Drug.
JWH-203 (1-pentyl-3-(2-chlorophenylacetyl)indole) is an analgesic chemical from the phenylacetylindole family that acts as a cannabinoid agonist with approximately equal affinity at both the CB1 and CB2 receptors having a Ki of 8.0nM at CB1 and 7.0nM at CB2. It was originally discovered by and named after Dr. John W. Huffman but has subsequently been sold without his permission as an ingredient of synthetic cannabis smoking blends.
