The present invention relates to atypical cannabinoids, i.e. ligands of the peripheral cannabinoid receptor CB2, and pharmaceutical compositions thereof comprising novel (+) α-pinene derivatives as active ingredients, which are useful in the prophylaxis of and treatment of autoimmune diseases including but not limited to rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, myasthenia gravis, type I diabetes, hepatitis, psoriasis and immune Associated disorders, including but not limited to tissue rejection in organ transplantation, malabsorption syndromes such as celiac disease, pulmonary diseases such as asthma and Sjögren's syndrome, inflammation including inflammatory bowel disease, including peripheral, visceral, neurological Sexual, inflammatory and associated pain, muscle spasms, cardiovascular disorders including arrhythmia, hypertension and myocardial ischemia, nervous system disorders including stroke, migraine and cluster headaches, including Parkinson's disease, Neurodegenerative diseases like Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease, prion-related neurodegeneration, CNS poisoning, and certain types of cancer.