Phosphorus Dihydride Phosphorus Dihydride Version 1.0; 2001; initial release PhosphorusDihydride Phosphorus - Dihydride is a trademark of Apostrophic Laboratories. Derek Vogelpohl Derek Vogelpohl Copyright (c) Derek Vogelpohl, 2001. All rights reserved. Phosphorus - Dihydride is a trademark of Apostrophic Laboratories. Phosph12.ttf