mitragynine molecule. it is the herbal alkaloid with opiate-like properties produced by plant mitragyna speciosa korth, kratom.

alkaloid atom atomic banned carbon chain chemical chemistry chronic compound drug education element formula herbal hydrogen illustration indole isolated ketum kratom macromolecule medicine mitragyna mitragynin mitragynine model molecular molecule nitrogen opiate opioid organic oxygen pain receptor science speciosa structure study thai thailand vector