/sources/contrib/btdn/src/chem/
       150 2007-03-17 INSTALL
       175 2006-09-25 PS-PEmacros
      7079 2006-09-25 README
       137 2006-09-25 chem
     11673 2007-03-17 chem.awk
      2002 2006-09-25 chem.macros
       224 2006-09-25 eth.p
       384 2006-09-25 lsd.p
      3510 2007-03-17 lsd.png
       494 2007-03-17 morphine.p