1775-11-7 4H-1,3,2-Benzodioxaphosphorin-2-amine, N-propyl-, 2-oxide BRN 1914124 N-Propyl-4H-1,3,2-benzodioxaphosphorin-2-amine 2-oxide Phosphoramidic acid, N-propyl-, cyclic methylene-o-phenylene ester