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, 2009 Free Software Foundation, Inc.
# Written by Bernd Warken.

# Last update: 5 Jan 2009

# 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 as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# `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/>.

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
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# mode: Nroff
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.cend