1-Pentyl-3-(2-methoxyphenylacetyl)indole; Ki 11 nM CB1, 33 nM CB2. Introduced in Huffman, Szklennik, Almond et al., '1-Pentyl-3-phenylacetylindoles, a new class of cannabimimetic indoles' (Bioorg. Med. Chem. Lett. 2005), which showed a phenylacetyl group could replace the naphthoyl ring entirely. First identified in a seized product by the German Federal Criminal Police in May 2009, in the wave of blends that followed the JWH-018 ban.