Agfa Copex (micro film from Agfa - Gevaert, Belgium) you have in different versions: With extended red, like Tech Pan (Kodak) used under Rollei brand (Maco) ATP1.1 and Orthopan under CMS20 (Adox).

SPUR created different low contrast document developers for these films: The latest ATP-DC/AB (divided) for Rollei, Adotech and his own version: SPUR modular UR (new).

Only with these special developers you will reach an optimum result with a reasonable iso rate (20-32).