https://research.ibm.com/publications/reactions-of-3-substituted-pentacyanines-with-cyclopentadienide-and-cyclononatetraenide-anions
Reactions of 3-substituted pentacyanines with cyclopentadienide and cyclononatetraenide anions for...
Reactions of 3-substituted pentacyanines with cyclopentadienide and cyclononatetraenide anions for Tetrahedron Letters by Wolfgang Bauer et al.
reactionssubstituted