Evidence against Nonclassical Aromaticity in Hydrogen-Bonded Systems. 6-Aminofulvene-2-aldiminesUlrich Müller-Westerhoff2002JACS
Reactions of 3-substituted pentacyanines with cyclopentadienide and cyclononatetraenide anionsWolfgang BauerUlrich Müller-Westerhoff1972Tetrahedron Letters