Stoichiometric Modeling and Stability Analysis of Synthesis of Alkane Reactions Using PINNs with PDFP Optimization: Applications in Pharmaceutical, Rubber, and Fuel. - Muhammad Israr; Muhammad Kaleem; Mubarak Zaman; Syed Adeel Hussain Shah; Muhammad Siraj; Muhammad Asif (J. Chem. Inf. Model., 2026)