Synonyms: 2-Pyrrolidinecarboxamide,N-[3-ethyl-3-methyl-7-(2-methylpropyl)-5,8-dioxo-2-oxa-6,9-diazabicyclo[10.2.2]hexadeca-10,12,14,15-tetraen-4-yl]-1-methyl-,[3R-[3R*,4S*(S*),7S*]]-; Ceanothine D (8CI);2-Oxa-6,9-diazabicyclo[10.2.2]hexadecane, 2-pyrrolidinecarboxamide deriv.