Uses
(S)-1-(5-((2,3-Dihydro-[1,4]dioxino[2,3-b]pyridin-6-yl)sulfonyl)-3,4,5,6-tetrahydropyrrolo[3,4-c]pyrrol-2(1H)-yl)-2-hydroxy-2-(2-methylbenzo[d]oxazol-4-yl)ethan-1-one is an isomer of (2S)??-1-??[5-??[(2,??3-??dihydro-??1,??4-??dioxino[2,??3-??b]??pyridin-??7-??yl)??sulfonyl]??-??3,??4,??5,??6-??tetrahydropyrrolo[3,??4-??c]??pyrrol-??2(1H)??-??yl]??-??2-??hydroxy-??2-??(2-??methyl-??4-??benzoxazolyl)??-ethanone (CAS# 2413991-74-7), which can be useful in the preparation of ubiquitin specific peptidase 9X (USP9X) inhibiting compounds.