Research Article

The Influence of pH and Temperature on the Stability of N-[(Piperidine)methylene]daunorubicin Hydrochloride and a Comparison of the Stability of Daunorubicin and Its Four New Amidine Derivatives in Aqueous Solutions

Figure 6

log = (pH) profiles of daunorubicin (DAU) and its four amidine derivatives: N-[(pyrrolidine)methylene]daunorubicin (PMD), N-[(morpholine) methylene]daunorubicin (MMD), N-[(piperidine) methylene]daunorubicin (PPD), and N-[(hexahydroazepin-1yl) methylene]daunorubicin (HMD) in aqueous solutions at 313 K.
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