“…Putative but never observed 1,1-elimination of H 2 from the toluenium ions, p-[1+H] + , m-[1+H] + and o-[1+H] + , that would produce the corresponding tolylium cations (e.g., c) is not included. -References to individual data for C 7 H 9 + ions (for C 6 H 7 + and C 8 H 11 + ions in italics): [a] Kuck (1990a), Maksić (1998), Ishikawa (2004), Kuck (2005b), Dopfer (2006), Mormann (2006), Schröder (2006), Chiavarino (2008), Douberly (2008), Mosley (2015), , Wang (2018) Kuck, Schneider, Grützmacher (1985), Schröder (2006); [l] Kuck, Schneider, Grützmacher (1985), Ignatev (2004, Dopfer (2006), Schröder (2006, Sekiguchi (2009), Wang (2018); [m] Williams (1974b), Kuck, Schneider, Grützmacher (1985); Kuck (1990a), Maksić (1998), Ishikawa (2004), Kuck (2005b), Mormann (2006, Schröder (2006), Wang (2018).…”