Trilaciclib Impurity 21

Tert-butyl 6'-oxo-6'H-spiro[cyclohexane-1,9'-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidine]-7' (8'H) -carboxylate

C19H24N4O3

356.43

Trilaciclib

Tert-butyl 6'-oxo-6'H-spiro[cyclohexane-1,9'-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidine]-7' (8'H) -carboxylate