1 NZ7 (5r)-N,N-dimethyl-2,9-dioxa-6-azaspiro[4.5]decane-6-carboxamide 1.000 2 A1BFR (5s)-N,N-dimethyl-2,9-dioxa-6-azaspiro[4.5]decane-6-carboxamide 1.000