Synonyms: 1a,4,4-trimethyl-7-pentyl-2,3,3a,4,9b,9c-hexahydro-1ah-[1]benzoxireno[3,2-c]chromen-9-ol;1alpha,2alpha-Epoxyhexahydrocannabinol;AC1L2P52;AC1Q70W7;AR-1C1287;(1aalpha,3aalpha,9bbeta)-1a,2,3a,4,9b,9c-Hexahydro-1a,4,4-trimethyl-7-pentyl-3H-oxireno(3,4)benzo(1,2-c)(1)benzopyran-9-ol;3H-Oxireno(3,4)benzo(1,2-c)(1)benzopyran-9-ol, 1a,2,3a,4,9b,9c-hexahydro-1a,4,4-trimethyl-7-pentyl-, (1aalpha,3aalpha,9bbeta)-;56687-60-6