Potent antileukemia and antimyeloma compound. Apoptosis inducer. Delays tumor growth. Cyclin D2 promoter transactivation inhibitor. PI3 kinase (PI3K) inhibitor.Storage and Stability:Short-term Storage: +4°CLong-term Storage: -20°CStable for at least 2 years after receipt when stored at -20°C. Store solutions at -20°C in the dark.