(PF6)2
[Ru(phen)2(HMPIP)](PF6)2 (Compound 6A) is an anti-tumor agent. [Ru(phen)2(HMPIP)](PF6)2 can inhibit the proliferation and migration of HepG2 liver cancer cells, and induce apoptosis, autophagy, cell cycle arrest and ferroptosis of HepG2 liver cancer cells. [Ru(phen)2(HMPIP)](PF6)2 exerts its anti-tumor activity by stimulating immune response to increase CD8+ T cells.