ELEMENTS
H  C   AR
END

SPECIES
H
AR
R1A R1B P1
END

REACTIONS

R1A+R1B=>H+P1              1e12  0.0   20000.0
  FORD / R1A 1.5 /
  FORD / R1B 0.5 /

H+P1=>R1A+R1B             5e13 -2.0 5000.0
  FORD / P1 0.2 /

END