Fig. 10

a Interface of the software. The red point “1” representing the first formula overlaps the point “S” representing the tetrahydrofuran. The blue point “2” representing the second formula is located in the center of the solubility area of Elvax 40W, defined by the black dotted line. In the table are reported volumetric proportions of solvents used for the two formulas. b The pale green material spread to the surrounding area during the cleaning with organic solvents