Compound | Cancer cell line | IC50 (μM) | Compound | Cancer cell line | IC50 (μM) |
187a | Colo-289 | 3.55 ± 0.23 | 187a | A549 | 1.59 ± 0.38 |
187b (R = OH, X = N, Y = C, R’ = CH3) | A 549 | 1.63 ± 0.32 | 187b | T47D | 1.20 ± 0.06 |
187c (R = OH, X = CH, Y = C, R = H) | A549 | 1.86 ± 0.06 | 187d (R = O(CO)CH3, X = CH, Y = H) | T47D | 1.93 ± 0.14 |