英文别名
1-ethoxy-3,3,5-tris-ethoxycarbonyl-4-oxo-1,2-diphenyl-[1,2]diphospholanium betaine;Triethyl 1-ethoxy-4-oxo-1,2-diphenyl-1lambda5,2-diphosphacyclopent-5-ene-3,3,5-tricarboxylate;triethyl 1-ethoxy-4-oxo-1,2-diphenyl-1λ5,2-diphosphacyclopent-5-ene-3,3,5-tricarboxylate