ChemInform Abstract: The Small Cage 12,17-Dimethyl-5-oxa-1,9,12,17-tetraazabicyclo(7.5.5)nonadecane (L) (III): Its Synthesis, Characterization, and “Proton Sponge” Behavior. The Crystal Structure of the Dipicrate Salt (H2(L))(Picrate)2 | Publicación