[OH-:1].[CH2:2]([N+:9]([CH3:12])([CH3:11])[CH3:10])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[C:13](=[O:15])=[O:14]>CO>[C:13](=[O:1])([OH:15])[O-:14].[CH2:2]([N+:9]([CH3:12])([CH3:11])[CH3:10])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1As described for C-13, a solution of benzyltrimethylammonium hydroxide (Triton B) in methanol was reacted with gaseous CO2, to obtain a clear solution of 0.986 meq/g.
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