Reaction catalyzed by 3-O-acetyl-4'-O-demethylpapaveroxine 4'-O-methyltransferase (2.1.1.352)

		+			=			+
	S-adenosyl-L-methionine	+		3-O-acetyl-4'-O-demethylpapaveroxine	=		S-adenosyl-L-homocysteine	+		3-O-acetylpapaveroxine