by using previously developed pertrimethylsilylation and methoxime formation procedures , the glc -- mass spectra of pertrimethylsilyl and pertrimethylsilyl methoxime derivatives of 12 doxorubicin and daunorubicin glycone analogs , mostly synthesized in this laboratory , were studied .
C0013089
doxorubicin
C0011015
daunorubicin