[2-(1,4-dioxaspiro[4.5]dec-6-yl)ethyl](1-phenylethyl)amine
benzyl-[2-(1,4-dioxaspiro[4.5]dec-6-yl)ethyl]amine
N-benzyl-2-(1,4-dioxaspiro[4.5]dec-6-yl)acetamide
2-(1,4-dioxaspiro[4.5]dec-6-yl)-N-(1-phenylethyl)acetamide
(1,4-dioxa-spiro[4.5]dec-6-yl)-acetic acid-(3,4-dimethoxy-phenethylamide)