I noticed that data sheet for Adox HR-50 developer looks extremely similar (I'd say) same as one for the SPUR TRX developer. The dilutions, time, resulting ISO senstivity are the same. Does anyone know whether one is repackage of the other? The older version of the HR-50 is almost textually the same. Attaching older version, others may be downloaded from appropriate fotoimpex or SPUR websites.