1-Propylphosphonic acid 4-04-00-03542 (Beilstein Handbook Reference) 4672-38-2 BRN 1747443 DIHYDROGEN PROPYLPHOSPHONATE EINECS 225-121-8 NIA 10656 PPA Phosphonic acid, propyl- Phosphorous acid, monoanhydride with methyl hydrogen 4-morpholinylphosphonate, diethyl ester Propanephosphonic acid Propylphosphonic acid