1-(1,4-Benzodioxan-2-methyl)-5-diphenylacetyl-4,5,6,7-tetrahydro-1H-imidazo(4,5-c)pyridine-6-carboxylic acid 145543-03-9 1H-Imidazo(4,5-c)pyridine-6-carboxylic acid, 1-((2,3-dihydro-1,4-benzodioxin-2-yl)methyl)-5-(diphenylacetyl)-4,5,6,7-tetrahydro- RG 13647 RG-13647