1-Phenyl-3-(4-antipyryl)-2-thiourea 3-(4-Antipyrinyl)-1-phenyl-2-thiourea 51641-29-3 NSC337611 Thiourea, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-N'-phenyl- Urea, 3-(4-antipyrinyl)-1-phenyl-2-thio- WLN: T5NNVJ A1 BR& DMYUS&MR& E1