GDC-0980 (Apitolisib, GNE 390, RG 7422) is a potent, selective, orally available class I PI3K/mTOR inhibitor with IC50 of 5 nM/27 nM/7 nM/14 nM for PI3Kα/β/δ/γ, inhibits mTOR inhibitor with Ki of 17 nM.

Shikonin is a natural red naphthoquinone pigment has antimicrobial anti-tumor and anti-inflammatory effects; a purified shikonin preparation is widely used for the production of medicinals cosmetics and some food products; shikonin also enters into the antiinflammatory ointment and cream compositions used for the treatment of burns.

CYH33 (CYH-33) is a novel potent, PI3Kα-selective inhibitor with IC50 of 5.9 nM/598 nM/ 78.7 nM/225 nM aginst class I PI3K isoform α/β/δ/γ, respectively.