1,3-Diphenyl-4-(N-morpholino)methylene-2-pyrazolin-5-one 1,3-Diphenyl-4-(morpholinomethylene)-2-pyrazolin-5-one 2-Pyrazolin-5-one, 1,3-diphenyl-4-(morpholinomethylene)- 24665-75-6 BRN 1165061