1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/chem/examples/reserpine.chem b/contrib/chem/examples/reserpine.chem
new file mode 100644
index 0000000..d1b4046
--- /dev/null
+++ b/contrib/chem/examples/reserpine.chem
@@ -0,0 +1,63 @@
+reserpine.chem:
+.PS
+begin chem
+
+# Example file for 'chem':
+#   Reserpine or C33H40N2O9
+
+# 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:	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
+
+# Local Variables:
+# fill-column: 72
+# mode: Nroff
+# End:
+# vim: set textwidth=72:
+end
+.PE