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>.
11 # Some corrections were added.
13 # Copyright (C) 2006, 2009 Free Software Foundation, Inc.
15 # Last update: 5 Jan 2009
17 # This file is part of `chem', which is part of `groff'.
19 # `groff' is free software; you can redistribute it and/or modify it
20 # under the terms of the GNU General Public License as published by
21 # the Free Software Foundation, either version 3 of the License, or
22 # (at your option) any later version.
24 # `groff' is distributed in the hope that it will be useful, but
25 # WITHOUT ANY WARRANTY; without even the implied warranty of
26 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 # General Public License for more details.
29 # You should have received a copy of the GNU General Public License
30 # along with this program. If not, see <http://www.gnu.org/licenses/>.
32 ########################################################################
37 R2: aromatic flatring5 pointing down put N at 1 with .V3 at R1.V2
39 R3: ring put N at 3 with .V5 at R2.V5
40 R4: ring put N at 1 with .V1 at R3.V3
41 back bond -120 from R4.V4 ; H
42 back bond 60 from R4.V3 ; H
43 R5: ring with .V1 at R4.V3
45 double bond down from C ; O
47 back bond 60 from R5.V3 ; H
48 back bond down from R5.V4 ; O
50 bond 120 from R5.V3 ; O
51 bond right lenght .1 from O ; C
53 bond right length .1 from C
54 B: benzene pointing right
55 bond 30 from B.V6 ; OCH3
56 bond right from B.V1 ; OCH3
57 bond 150 from B.V2 ; OCH3
59 ########################################################################