morphine.chem:
.cstart
# Example file for 'chem':
# Morphine or C23_H31_N3O or
# N,N-diethyl-N'-(2-methoxyacridin-9-yl)-pentane-1,4-diamine
# Found at http://www.chemindustry.com/apps/chemicals.
# Source file position: <groff-source>/contrib/chem/example/morphine.chem
# Installed position: <prefix>/share/doc/groff/example/chem/morphine.chem
# Copyright (C) 2006-2018 Free Software Foundation, Inc.
# Written by Bernd Warken <groff-bernd.warken-72@web.de>.
# This file is part of 'chem', which is part of 'groff'.
# 'groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) version 2 as
# published by the Free Software Foundation.
# 'groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.
R1: benzene
R2: benzene with .V6 at R1.V2 with .V5 at R1.V3 put N at 4
R3: benzene with .V6 at R2.V2 with .V5 at R2.V3
bond 60 at R3.V2 ; O
bond 120
bond up at R2.V1 ; N
bond 60 ; H
bond -60 at N
B1: backbond -120
bond up at B1.start
bond -60
bond up
bond -60 ; N
bond up
bond -60
bond -120 at N
bond -60
### Emacs settings
# Local Variables:
# mode: Nroff
# End:
.cend
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