DM-Oxoarsenosugars with isopropylidene
<a href="//commons.wikimedia.org/wiki/User:Rupertsciamenna" title="User:Rupertsciamenna">Rupertsciamenna</a>
<span class="int-own-work" lang="en">Own work</span> (da J . Chem. Soc. Perkin Trans. 1 (1991) 2707)