Quote Originally Posted by Heinz_Anderle View Post
According to the material safety data sheets for the K-14M (K-Lab) developers, the color developer is CD-3 for the magenta developer and CD-4 for the cyan developer.

I would be careful about this page or the MSDS data.

The first 6 yellow developers listed used CD-4 and the 7th used CD-6 so something is wrong with the list somehow.