Praziquantel (PZQ) is widely used to treat schistosomiasis. However, this chiral active pharmaceutical ingredient (API) is still produced as a racemic compound while only the (R)-enantiomer is active.

It is observed the presence of chemical elements which thermodynamically favor the austenite phase, as Mn and C, and the presence of chemical elements which stabilize the ferrite phase, as Cr, Mo and ...