chBc_rings.chem:
.br
.cstart

# This originates from Computing Science Technical Report No. 122
#   CHEM - A Program for Typesetting Chemical Diagrams: User Manual
#   by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
#   <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.

R1: benzene
    bond -120 from R1.V5 ; CH3O
R2: ring4 pointing 45 with .V4 at R1.V2
R3: aromatic ring6 put N at 4 put S at 2 at R2 + (.75,0)
R4: ring5 pointing left at R3 + (.75,0)
    label R4

# Local Variables:
# mode: Nroff
# End:
.cend