Design, Synthesis and Characterization of Novel 2‐(2,4‐Disubstituted‐thiazole‐5‐yl)‐3‐aryl‐3H‐quinazoline‐4‐one Derivatives as Inhibitors of NF‐ϰB and AP‐1 Mediated Transcription Activation and as Potential Antiinflammatory Agents.