37855-92-8 5-(1-Methyl-4-piperidyliden)-5H-(1)benzopyrano(2,3-b)pyridin 5-(1-Methyl-4-piperidylidene)-5H(1)benzopyrano(2,3-b)pyridine 5H-(1)Benzopyrano(2,3-b)pyridine, 5-(1-methyl-4-piperidinylidene)- Azanator Azanatorum [INN-Latin] EINECS 253-694-4