Reaction catalyzed by cis-1,2-dihydro-1,2-dihydroxynaphthalene dehydrogenase (1.3.1.29)

		+		NAD+	=			+		NADH
	cis-ethylbenzene dihydrodiol	+		NAD+	=		3-ethyl-1,2-dihydroxybenzene	+		NADH