| Entry | R1 | B. mycoides MIC (μg/mL) | Entry | R1 | B. mycoides MIC (μg/mL) |
| 1 | 4’-Bromophenyl*, 20 | 25 | 12 | 2-Thiophenyl, 41 | 100 |
| 2 | 3’-Bromophenyl, 21 | 25 | 13 | 2-Furfuryl, 42 | 50 |
| 3 | 4’-Chlorophenyl, 22 | 15 | 14 | 2-(5-Methylfurfuryl), 43 | >50 |
| 4 | 2’-Chlorophenyl, 23 | 25 | 15 | Phenyl, 44 | 100 |
| 5 | 3’-Chlorophenyl, 24 | 50 | 16 | 3’-Bromophenyl, 45 | 50 |
| 6 | 4’-Nitrophenyl**, 25 | 100 | 17 | 4’-Chlorophenyl, 46 | 100 |
| 7 | 2’-Nitrophenyl, 26 | >200 | 18 | 4’-Nitrophenyl, 47 | >200 |
| 8 | 3’-Nitrophenyl, 27 | 50 | 19 | 4’-Methylphenyl, 48 | >200 |
| 9 | Phenyl, 28 | 100 | 20 | 4’-Chlorophenyl, 50 | 8 |
| 10 | 4’-Methylphenyl, 29 | 50 | 21 | 2,2-Dichlorovinyl, 53 | 100 |
| 11 | 2,2-Dimethylvinyl, 40 | >200 | 22 | 2-Furfuryl, 54 | 15 |