Due to an error in the ES-DOC, all piClim-anthro[1-5] simulations were run with preindustrial O3.
      The corresponding CMIP6 outputs are on ESGF as "r*i1p1f2";
      The newer piClim-anthroO3[1-4] simulations, using present-day O3 (ie. year 2014), are the RFMIP "r*i1p1f1".