LY294002 is a synthetic molecule inhibitor of PI3Kα/δ/β (IC50: 0.5/0.57/0.97 μM, in cell-free assays); more stable than Wortmannin in solution, and also is a blocker of autophagosome formation.

4'-Methoxyresveratrol is a natural product form the roots of Rheum palmatum Lhas significant hypoglycemic anti-inflammatory and antioxidant effects.

4,5-Dichlorocatechol is a substrate of the broad-spectrum chlorocatechol 1,2-dioxygenase of pseudomonas chlororaphis RW71.