3-(3-Ethylhexahydro-1-methyl-1H-azepin-3-yl)phenol hydrochloride 54340-58-8 59263-76-2 EINECS 261-683-0 IL 22811 Meptazinol hydrochloride Meptazinol hydrochloride [USAN] Phenol, 3-(3-ethylhexahydro-1-methyl-1H-azepin-3-yl)-, hydrochloride Phenol, m-(3-ethyl-1-methyl-hexahydro-1H-azepin-3-yl)-, hydrochloride WY 22811 m-(3-Ethyl-1-methyl-hexahydro-1H-azepin-3-yl)phenol hydrochloride m-(3-Ethylhexahydro-1-methyl-1H-azepin-3-yl)phenol hydrochloride