reserpine.chem:
.PS
begin chem

# Example file for 'chem':
#   Reserpine or C33H40N2O9

# Source file position: <groff-source>/contrib/chem/example/reserpine.chem
# Installed position: <prefix>/share/doc/groff/example/chem/reserpine.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 pointing up
	bond -120 from R1.V5 ; O
	bond left
R2:	flatring5 pointing down double 4,5 with .V2 at R1.V3 with .V3 at R1.V2 put N at 1
	H below R2.V1
R3:	ring put N at 3 with .V5 at R2.V5
R4:	ring put N at 1 with .V1 at R3.V3
	back bond -120 from R4.V4 ; H
	back bond 60 from R4.V3 ; H
R5:	ring with .V1 at R4.V3
	bond -120
D1:	double bond down ; O
	bond left from D1.start ; O
	bond left
	back bond 60 from R5.V3 ; H
	back bond down from R5.V4 ; O
	bond down from O
	bond 120 from R5.V3 ; O
	bond 50 from O
D2:	double bond up ; O
	bond right length .1 from D2.start
B:	benzene pointing right
	bond 45 from B.V6 ; O
	bond right
	bond right from B.V1 ; O
	bond right
	bond 135 from B.V2 ; O
	bond right

### Emacs settings
# Local Variables:
# mode: Nroff
# End:
end
.PE