• Diazapentalene
    diazapentalenes are not mesoionic. pentalene Diketopyrrolopyrrole dye(de:Diketopyrrolopyrrol-Pigmente) Kawase, Masami (2009). "The Chemistry of Bioactive Mesoionic...
    1 KB (112 words) - 19:30, 20 October 2023