fix overlapping entries
# Code table 4.230 - Atmospheric chemical constituent type for ECMWF
+65524 65524 Stratospheric Ozone
+65525 65525 Nitrate aerosol
65526 65526 Condensable gas type 1
65527 65527 Condensable gas type 2a
65528 65528 Condensable gas type 2b
65529 65529 Toluene and less reactive aromatics
65530 65530 Xylene and more reactive aromatics
-65531 65531 Stratospheric Ozone
-65532 65532 Nitrate aerosol
65531 65531 Biomass burning volatile organic compounds
65532 65532 Anthropogenic volatile organic compounds
65533 65533 Nitrate Coarse Mode
