GSP-Agent-Windows/OGP64/usr/share/doc/groff-1.24.1/examples/chem/reserpine.chem

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Text

reserpine.chem:
.cstart
# Example file for chem:
# Reserpine or C_33H_40N_2O_9 (CAS-RN: 50-55-5).
#
# Found at https://en.wikipedia.org/wiki/Reserpine
#
# Prepared by Bernd Warken <groff-bernd.warken-72@web.de>,
# reorganized by Norwid Behrnd <nbehrnd@yahoo.com>.
R1: ring6 double 1,2 3,4 5,6
R2: flatring5 pointing down with .V2 at R1.V3 put N at 1 double 4,5
R3: ring6 with .V5 at R2.V5 put N at 3
R4: ring6 with .V1 at R3.V3 put N at 1 # prevent a struck-through N
R5: ring6 with .V1 at R4.V3
frontbond 120 from R5.V3 ; O
bond 60
BP: doublebond up ; O
bond 120 from BP.start
R6: ring6 double 1,2 3,4 5,6
bond -120 from R1.V5 ; MeO
H below R2.N
frontbond -120 from R3.V4 ; H
backbond 60 from R4.V3 ; H
backbond -120 from R4.V4 ; H
backbond down from R5.V4 ; OMe
frontbond -120 from R5.V5 ; MeO2C
bond 060 from R6.V2 ; OMe
bond 120 from R6.V3 ; OMe
bond 180 from R6.V4 ; OMe
# Local Variables:
# fill-column: 72
# mode: Nroff
# End:
# vim: set textwidth=72:
.cend