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(S)-Ceralasertib is extracted from patent WO2011154737A1, Compound II, exhibits an IC50 of 2.578 nM[1].(S)-Ceralasertib is a potent and selective sulfoximine morpholinopyrimidine ATR inhibitor with excellent preclinical physicochemical and pharmacokinetic (PK) characteristics.(S)-Ceralasertib is developed improving aqueous solubility and eliminates CYP3A4 time-dependent inhibition[2].

[1]. By Foote, et al. Morpholinopyrimidines as ATR kinase inhibitors and their preparation, pharmaceutical compositions and use in the treatment of cancer. PCT Int. Appl. (2011), WO 2011154737 A1 20111215. [2]. Foote KM, et al. Discovery and Characterization of AZD6738, a Potent Inhibitor of Ataxia Telangiectasia Mutatedand Rad3 Related (ATR) Kinase with Application as an Anticancer Agent. J Med Chem. 2018 Nov 21;61(22):9889-9907.

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