2-((1-Ethyl-1,2,3,4-tetrahydropyrimido(1,2-a)benzimidazol-8-yl)oxy)propanoic acid 79514-65-1 BRN 5604981 Propanoic acid, 2-((1-ethyl-1,2,3,4-tetrahydropyrimido(1,2-a)benzimidazol-8-yl)oxy)-