I have stacked 11oxo(11kt precursor) at 1200mg with androhard and s23 on a test base.
11kt makes sense if you are trying to recomp or gain during a deficit. It interferes with glucocorticoids aka catabolic steroids.
If you where looking to make it a test base, forget about it. Try dermacine, HCG, gonaderelin, dhea, 4andro, MENT, or if you have access, test.