5.1.2.1	lactate racemase	-	
5.1.2.2	mandelate racemase	-	
5.1.2.3	3-hydroxybutyryl-CoA epimerase	-	
5.1.2.4	acetoin racemase	-	
5.1.2.5	tartrate epimerase	-	
5.1.2.6	isocitrate epimerase	-	
5.1.2.7	tagaturonate epimerase	-