Keywords: AJA CarbonylYlide.svg en 1 1 3 3-tetramethyluronium-O-tetrakis trifluoromethyl cyclopentadienylide 02 46 29 December 2010 UTC I Pnictogen talk created this work entirely by myself <br />Transferred from http //en wikipedia org en wikipedia Pnictogen talk cc-zero Pnictogen at http //en wikipedia org en wikipedia Original upload log page en wikipedia AJA_CarbonylYlide svg 2010-12-29 02 46 Pnictogen 129×128 6730 bytes <nowiki> 1 1 3 3-tetramethyluronium-O-tetrakis trifluoromethyl cyclopentadienylide I ~~~ created this work entirely by myself ~~~~~ ~~~ </nowiki> Trifluoromethyl compounds |