Phosphorus Triselenide Phosphorus Triselenide Version 1.0; 2001; initial release PhosphorusTriselenide Phosphorus - Triselenide is a trademark of Apostrophic Laboratories. Derek Vogelpohl Derek Vogelpohl Copyright (c) Derek Vogelpohl, 2001. All rights reserved. Phosphorus - Triselenide is a trademark of Apostrophic Laboratories. Phosph10.ttf