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1-Butyl-1-methylpyrrolidinium methyl carbonate solution ~50% in methanol: water (2:3) is an ionic liquid.
BI-0090 (OTTO) 1-Butyl-1-methylpyrrolidinium methyl carbonate solution ~50% in methanol: water (2:3) Cas 1223496-96-5 - used for the conversion of the methylcarbonate intermediates.