1H-Pyrazol-4-amine, 4-phenyl- (9CI) 3-Amino-4-phenyl pyrazole 5591-70-8 BRN 0742774 Pyrazole, 3(or 5)-amino-4-phenyl- (6CI) Pyrazole, 3-amino-4-phenyl- SKF 1572 USAF EL-34