Table 3. Results of in-vitro anti-cancer activity of 1-phenyl-3-(4-(quinoxalin-2-yl)amino)phenyl) Table 3. Results of in-vitro anti-cancer activity of 1-phenyl-3-(4-(quinoxalin-2-yl)amino)phenyl) thiourea and urea derivatives screened against three tumor cell thiourea and urea derivatives screened against three tumor cell lines.