| 3-methyl-1-oxa-4-azaspiro(4.5)decane-3-methano hydrochloride |
| 2-spirocyclohexyl-4-methyl-4-hydroxymethyl-1,3-oxazolidine hydrochloride |
| 3-methyl-1-oxa-4-azaspiro(4.5)decane-3-methanol hydrochloride |
| 3-methyl-1-oxa-4-azaspiro(4.5)decane-3-methanohydrochloride |
