| 摘要 |
<p>A compound of formula (1) has high anticancer activity; wherein, R?1 and R2¿ are, each independently hydrogen, C¿1-10? alkyl or C5-10 cycloalkyl; or form, together with the nitrogen atom to which they are attached, a nitrogen heterocycle containing 4 to 6 carbon atoms; and R?3¿ is vinyl, ethynyl, allyl, C¿3-10? cycloalkyl, C5-10 cycloalkenyl, or C5-10 cycloalkynyl, each having an optional branched or linear C1-8 alkyl, alkoxy, alkoxyalkyl, or aryl substituent.</p> |
