2H-1-Benzopyran-6-carboxylic acid, 5-hydroxy-2,7-dimethyl-2-(4-methyl-3-pentenyl)- 5-Hydroxy-2,7-dimethyl-2-(4-methyl-3-pentenyl)-2H-1-benzopyran-6-carboxylic acid 63953-75-3 Cannabiorcichromenic acid