the new anthracyclines 7-o- ( 2,3,5-trideoxy-3-c-formyl-alpha-l-threo-pentofuranosyl ) daunomyci none ( 8 ) and -adriamycinone ( 10 ) have been obtained upon nitrous acid deamination of daunorubicin and doxorubicin respectively .
C0011015
daunorubicin
C0013089
doxorubicin