Reaction catalyzed by 9,12-octadecadienoate 8-hydroperoxide 8R-isomerase (5.4.4.5), 9,12-octadecadienoate 8-hydroperoxide 8S-isomerase (5.4.4.6)

		=
	(8R,9Z,12Z)-8-hydroperoxy-10,12-octadecadienoate	=		(7S,8S,9Z,12Z)-7,8-dihydroxyoctadeca-9,12-dienoate