132605-69-7 2(3H)-Furanone, dihydro-4-(hydroxymethyl)-3-(3-(3-methyloxiranyl)-1-oxo-2-propenyl)- 2-(4',5'-Epoxy-hex-2'(E)-en)oyl-2-hydroxy-3-hydroxymethyl-2,3-(Z)-butanolide Butalactin