1-(3,4,7,8-Tetrahydro-2H-1,4,6-oxadiazocin-5-yl)-3-(2,6-xylyl)-U rea hydrochloride 68656-97-3 Urea, N-(2,6-dimethylphenyl)-N'-(3,4,7,8-tetrahydro-2H-1,4,6-oxadiazocin-5-yl)-, monohydrochloride