5 # Example file for `chem':
7 # This originates from Computing Science Technical Report No. 122
8 # CHEM - A Program for Typesetting Chemical Diagrams: User Manual
9 # by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
10 # <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.
12 # Copyright (C) 2006, 2009 Free Software Foundation, Inc.
14 # Last update: 5 Jan 2009
16 # This file is part of `chem', which is part of `groff'.
18 # `groff' is free software; you can redistribute it and/or modify it
19 # under the terms of the GNU General Public License as published by
20 # the Free Software Foundation, either version 3 of the License, or
21 # (at your option) any later version.
23 # `groff' is distributed in the hope that it will be useful, but
24 # WITHOUT ANY WARRANTY; without even the implied warranty of
25 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 # General Public License for more details.
28 # You should have received a copy of the GNU General Public License
29 # along with this program. If not, see <http://www.gnu.org/licenses/>.
31 ########################################################################
33 B: benzene pointing right
34 F: flatring pointing left put N at 5 double 3,4 with .V1 at B.V2
36 R: ring pointing right with .V4 at B.V6
37 front bond right from R.V6 ; H
38 W: ring pointing right with .V2 at R.V6 put N at 1 double 3,4
39 bond right from W.N ; CH3
40 back bond -60 from W.V5 ; H
42 double bond up from C ; O
45 bond 135 from N ; C2H5
47 ########################################################################