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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.
# Copyright (C) 2006-2020 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
# Local Variables:
# mode: Nroff
# End:
.cend
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