英文别名Spiro[cyclohexane-1,9'(6'H)-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidine]-7'(8'H)-carboxylic acid, 2'-(methylthio)-6'-oxo-, 1,1-dimethylethyl ester; Trilaciclib Impurity 10; Trilaciclib Impurity 9; 1,1-Dimethylethyl 2'-(methylthio)-6'-oxospiro[cyclohexane-1,9'(6'H)-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidine]-7'(8'H)-carboxylate