Table 4. Summary of hit compounds.
| Number | Compound | Derived from | IC50 (µM) | ||
| BT474 | HCC1569 | MDA-MB-453 | |||
| 1 | Peonidin-3-glucoside | Black rice | 5.2±0.8 | 4.3±0.6 | 1.2±0.5 |
| 2 | Cyanidin-3-glucoside | Black rice | 1.8±0.5 | 2.6±0.8 | 1.5±0.3 |
| 3 | Catalpol | Rehmannia glutinosa | 2.4±0.4 | 1.9±0.7 | 2.7±0.6 |
| 4 | Quercetin | Cuscuta chinensis Lam | 4.4±0.3 | 4.9±1.1 | 4.0±0.6 |
| 5 | Methyl protodioscin | Cochinchinese Asparagus Root | 3.5±0.6 | 3.2±0.8 | 4.2±0.5 |
| 6 | Leonurine | Rehmannia glutinosa | 3.6±0.8 | 4.5±0.9 | 4.6±0.8 |
| 7 | Digoxin | Digitalis lanata | 4.2±0.7 | 3.6±0.8 | 4.7±0.4 |
| 8 | Europinidin | Plumbago zeylanica | 5.8±1.5 | 7.0±1.8 | 8.0±1.2 |