!!!! Triphenylcarbenium

https://en.wikipedia.org/wiki/Triphenylcarbenium 
https://commons.wikimedia.org/wiki/File:Triphenylcarbenium.png
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https://www.google.com/search?client=firefox-b-d&ei=fkE5XeiTHI7c5gKN2KmwDQ&q=%22triphenylcarbenium%22+%22diphenylmethyl%22+IUPAC&oq=%22triphenylcarbenium%22+%22diphenylmethyl%22+IUPAC&gs_l=psy-ab.3...40316.42037..42457...0.0..0.246.1236.0j2j4......0....1..gws-wiz.......33i160j33i21.LtcKFqxzDVo&ved=0ahUKEwjoyu-8rs_jAhUOrlkKHQ1sCtYQ4dUDCAo&uact=5 @@ Google: triphenylcarbenium diphenylmethyl IUPAC
https://www.google.com/search?q=triphenylcarbenium&client=firefox-b-d&ei=BQw4XeT5MZSH0Aaz5YmQBw&start=30&sa=N&ved=0ahUKEwikkM-rh83jAhWUA9QKHbNyAnIQ8tMDCP0B&biw=1152&bih=682 @@ Google: triphenylcarbenium

https://scholar.google.com.br/scholar?hl=en&as_sdt=0%2C5&q=%22triphenylcarbenium%22+%22diphenylmethyl%22 @@ Scholar triphenylcarbenium diphenylmethyl
https://www.sigmaaldrich.com/catalog/product/aldrich/164569 @@ Sigma: Tritylium hexafluorophosphate 
https://www.alfa.com/en/catalog/L03140/ @@ Alfa: L03140 Triphenylcarbenium hexafluorophosphate, 98% 
https://pubchem.ncbi.nlm.nih.gov/compound/Triphenylcarbenium-hexafluorophosphate#section=Literature @@ Pubchem: Triphenylcarbenium hexafluorophosphate (compound)
https://onlinelibrary.wiley.com/doi/10.1002/047084289X.rt362 @@ Wiley Encyclopedia: Triphenylcarbenium Tetrafluoroborate
https://scripts.iucr.org/cgi-bin/paper?S0108270196007287 @@ Acta Crystallographica: Perchlorotriphenylcarbenium Hexachloroantimonate(V)