5-amino-4-chloro-2-phenylpyridazin-3(2H)-one; 5-Amino-4-chloro-2-phenyl-3(2H)-pyridazinone; 1-Phenyl-4-amino-5-chloropyridazin-6-one; 5-Amino-4-chloro-2,3-dihydro-3-oxo-2-phenylpyridazine; Betoxon; Burex; Chloridazone; HS 119-1; PAC; Phenosane; Pyramin; Pyramin FL; Pyramin Turbo; Pyramine; Pyrazon; Suzon
