N,N,3,3-Tetramethyl-1,5-dioxaspiro[5.5]undecan-9-amine-d6 is the isotope analog of N,N,3,3-Tetramethyl-1,5-dioxaspiro[5.5]undecan-9-amine. N,N,3,3-Tetramethyl-1,5-dioxaspiro[5.5]undecan-9-amine is a reagent in the preparation of carbazolecarboxamides and cycloheptaindolecarboxamides as 5-HT1F agonists for the treatment of migraines.