2,4-Dihydro-5-amino-2-phenyl-3H-pyrazol-3-one 3-Amino-1-phenyl-5-pyrazolone 3H-Pyrazol-3-one, 2,4-dihydro-5-amino-2-phenyl- 3H-Pyrazol-3-one, 5-amino-2,4-dihydro-2-phenyl- 4149-06-8 5-Pyrazolone, 3-amino-1-phenyl- AI3-61273 BRN 0153681 EINECS 223-974-0