Robuta

https://erowid.org/references/refs_view.php?ID=8699&S=crystal Erowid.org: Erowid Reference 8699 : Synthesis, opioid receptor binding profile, and antinociceptive... The Index page for the reference article: Fujimoto RA, Boxer J, Jackson RH, Simke JP, Neale RF, Snowhill EW, Barbaz BJ, Williams M, Sills MA Synthesis, opioid... erowid orgopioid receptorbinding profilereference8699 https://www.erowid.org/references/refs_view.php?ID=8699&S=hill Erowid.org: Erowid Reference 8699 : Synthesis, opioid receptor binding profile, and antinociceptive... The Index page for the reference article: Fujimoto RA, Boxer J, Jackson RH, Simke JP, Neale RF, Snowhill EW, Barbaz BJ, Williams M, Sills MA Synthesis, opioid... erowid orgopioid receptorbinding profilereference8699