drug (a substance that is used as a medicine or narcotic)
psychoactive drug (a drug that can produce mood changes and distorted perceptions)
chemical compound (a substance consisting of two or more different elements chemically bonded together in a fixed proportion by mass)
Cannabinoids, a group of terpeno phenolic compounds present in Cannabis
Drugs, hormones and biological mediators, the class with DiseasesDB code "28813"