Reaction catalyzed by 9,12-octadecadienoate 8-hydroperoxide 8R-isomerase (5.4.4.5)

		=
	(8R,9Z,12Z)-9-hydroperoxy-10,12-octadecadienoate	=		(5S,8R,9Z,12Z)-5,8-dihydroxyoctadeca-9,12-dienoate