2.3.1.91 sinapoylglucose-choline O-sinapoyltransferase sinapate ester biosynthesis - - 2.3.1.92 sinapoylglucose-malate O-sinapoyltransferase sinapate ester biosynthesis - - 2.3.1.103 sinapoylglucose-sinapoylglucose O-sinapoyltransferase sinapate ester biosynthesis - - 2.4.1.120 sinapate 1-glucosyltransferase sinapate ester biosynthesis - - 3.1.1.49 sinapine esterase sinapate ester biosynthesis - -