2-Amino-N-antipyrinylethanesulfonamide 27429-53-4 BRN 0762206 Ethanesulfonamide, 2-amino-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)- (9CI) Ethanesulfonamide, 2-amino-N-antipyrinyl- Taurinopyrine