4-27-00-00630 (Beilstein Handbook Reference) 4-Morpholinephosphonic acid, diphenyl ester 7412-25-1 AI3-18296 BRN 0299323 Diphenyl morpholinophosphonate Morpholinophosphonic acid, diphenyl ester NSC 14507 Phosphonic acid, (4-morpholinyl)-, diphenyl ester Phosphonic acid, 4-morpholinyl-, diphenyl ester (9CI) Phosphonic acid, morpholino-, diphenyl ester