Reaction catalyzed by carboxylesterase (3.1.1.1), triacylglycerol lipase (3.1.1.3), 1-alkyl-2-acetylglycerophosphocholine esterase (3.1.1.47)

		+		H2O	=			+
	methyl butyrate	+		H2O	=		methanol	+		butyrate