4 # Example file for `chem':
5 # Penicillin or C16_H18_N2_O4_S or
6 # 3,3-dimethyl-6-oxo-7-(2-phenylacetyl)amino-2-thia-5-
7 # azabicyclo[3.2.0]heptane-4-carboxylic acid
9 # Found at http://www.chemindustry.com/apps/chemicals.
11 # Source file position: <groff-source>/contrib/chem/example/morphine.chem
12 # Installed position: <prefix>/share/doc/groff/example/chem/morphine.chem
14 # Copyright (C) 2006, 2009 Free Software Foundation, Inc.
15 # Written by Bernd Warken.
17 # Last update: 5 Jan 2009
19 # This file is part of `chem', which is part of `groff'.
21 # `groff' is free software; you can redistribute it and/or modify it
22 # under the terms of the GNU General Public License as published by
23 # the Free Software Foundation, either version 3 of the License, or
24 # (at your option) any later version.
26 # `groff' is distributed in the hope that it will be useful, but
27 # WITHOUT ANY WARRANTY; without even the implied warranty of
28 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
29 # General Public License for more details.
31 # You should have received a copy of the GNU General Public License
32 # along with this program. If not, see <http://www.gnu.org/licenses/>.
34 R1: flatring5 pointing up put S at 1 put N at 4
39 bond 135 at D1.start ; OH
43 B1: bond down length .3
44 bond -60 at B1.start ; N
47 D2: doublebond down ; O