German Wikipedia has an article on: <span class="searchmatch">Triphenylphosphan</span> Wikipedia de <span class="searchmatch">Triphenylphosphan</span> n (strong, genitive <span class="searchmatch">Triphenylphosphans</span>, no plural) (organic chemistry)...
<span class="searchmatch">Triphenylphosphans</span> n genitive singular of <span class="searchmatch">Triphenylphosphan</span>...