Compound Gram-positive Gram-positive Gram-negative Gram-negative Gram-negative Staphylococcus aureus Micrococcus Salmonella typhi Salmonella para typhi Escherichia coli 171 0 0 0 0 0 172 0 0 0 0 220 178 0 250 130 125 0 179 150 225 0 0 0 180 0 0 0 0 0 181 150 0 125 125 0 182 80 0 100 0 0 183 0 130 weak 100 80 184 125 500 0 225 75 185 0 0 0 0 0 186 0 100 130 125 75 187 0 125 0 0 0 188 0 240 140 0 100 189 75 350 125 225 100 190 75 0 100 110 100 191 0 110 100 125 75 192 0 0 0 0 0 205 110 200 0 0 75 206 0 0 0 0 0 207 0 0 0 0 0 208 0 0 0 0 0 209 0 0 0 0 0 210 0 0 0 0 0 211 0 0 0 0 0 212 75 350 0 0 125 213 0 0 0 0 0 214 75 250 0 0 125 215 0 0 0 0 0 216 0 0 0 0 0 217 0 0 0 0 0 218 125 225 0 225 130 219 0 0 0 o 0 220 0 100 0 140 0 221 0 100 0 0 75 222 0 0 0 0 0 223 0 125 0 0 75 Ciprofloxacin 125 110 220 225 225 DMSO 0 0 0 o 0

Table 1: Minimum inhibitory concentrations (MIC in μg/ml) of the title Compounds against bacteria species. The negative control DMSO showed no activity.