| 摘要 |
An antiparasitic compound of formula (I), (II) or (III) wherein R is selected from a variety of organic groups, the broken line represents an optional double bond, R<1> is H, OH, -O-alkyl or optionally substituted oximino, and R<2> and R<3> are H, OH, H, OMe, oxo, optionally substituted oximino or optionally substituted amino. |
