1-Thia-4,8-diazaspiro(4.5)decan-3-one, 8-((2,3-dihydro-1,4-benzodioxin-2-yl)methyl)-4-methyl-,monohydrochloride 36844-76-5 8-(1,4-Benzodioxan-2-ylmethyl)-4-methyl-3-oxo-1-thia-4,8-diazaspiro(4.5)decane hydrochloride