penicillin.chem:
.cstart

# Example file for `chem':
#    Penicillin or C16_H18_N2_O4_S or
#    3,3-dimethyl-6-oxo-7-(2-phenylacetyl)amino-2-thia-5-
#      azabicyclo[3.2.0]heptane-4-carboxylic acid

# 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) 2006-2014 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:	flatring5 pointing up put S at 1 put N at 4
	bond 45 at R1.V2
	bond 135 at R1.V2
	bond 120 at R1.V3
D1:	doublebond 45 ; O
	bond 135 at D1.start ; OH
	bond left at R1.N
	doublebond -135 ; O
	bond left at R1.V5
B1:	bond down length .3
	bond -60 at B1.start ; N
	bond up ; H
	bond -120 at N
D2:	doublebond down ; O
	bond -60 at D2.start
	bond -120
	benzene

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.cend
