Cannabidiolic Acid ("CBDA"), which has been shown to posses antibiotic properties.
Cannabigerolic Acid ("CBGA"), which has also been shown to posses antibiotic properties.
Cannabichromene ("CBC"), which has been shown to posses antifungal properties and more.
Cannabinol ("CBN"), which has been shown to posses anticonvulsant and sedative properties.
Delta-9-tetrahydrocannabivarin ("THCV") which has been shown to posses pain relief and euphoriant properties.
As more research continues on their medicinal values, it will be interesting to see what these lesser know cannabinoids have to offer. For anyone looking to learn more about cannabis, be sure to check out Jeffrey Friedland's book titled Marijuana: The World's Most Misunderstood Plant.