Experiment and Application of the Solid-Liquid Phase Equilibrium for Ternary 2-Nitro-p-phenylenediamine + Ethyl Acetate + Isopropanol and 2-Nitro-p-phenylenediamine + 4-Nitro-o-phenylenediamine + N-Methyl-2-pyrrolidone systems Yang, Z.; Shao, D.; Zhou, G.; Journal of Chemical & Engineering Data 2019, 64, 713-721