115091-86-6 2-Methoxy-4-(4-methoxyphenyl)-5H-(1)benzothiopyrano(4,3-b)pyridine-3-carbonitrile 5H-(1)Benzothiopyrano(4,3-b)pyridine-3-carbonitrile, 2-methoxy-4-(4-methoxyphenyl)- BRN 4272875