| ID | 4 |
| Metal | Ru |
| Oxidation state | 2 |
| Charge | 0 |
| Donor atoms | {"N": 4, "P": 1} |
| Abbreviation | 1b |
| SMILES | C1N2CN3CN1CP(C2)C3.[Cl-].c1ccc(P(c2ccccc2)c2ccccc2)cc1.c1cnn([BH-](n2cccn2)n2cccn2)c1 |
| Cell line | IC₅₀ dark (µM) | IC₅₀ light (µM) | DOI | Year |
| MCF-7 | 11 | — | 10.1039/C0DT00206B | 2010 |
| HUVEC | 25 | — | 10.1039/C0DT00206B | 2010 |
| NCI-H460 | 27 | — | 10.1039/C0DT00206B | 2010 |
| SF-268 | 28 | — | 10.1039/C0DT00206B | 2010 |
Builds the drawing from source ligand graphs and explicit donor metadata, then uses Metal2D only for layout. Publication output uses black bonds without arrows or colour highlighting; validated octahedral enantiomers are encoded directly with solid and hashed wedge bonds.