This book covers key areas of chemistry and other related fields. The contributions by the authors include lignans; tetrahydrofuranoid; stobbe; chlorpyrifos pesticide; activated carbon; adsorption isotherms; thin films; XRD; solution casting technique; reactive oxygen species; 1,2,3-triazole; ?-amino acid; oxazoline; 2D NMR; nitrile compound; cycloaddition; 5-substituted tetrazole; 1H-1,2,4-triazole; ?-aminoalcohol; 2D heteronuclear NMR experiments; 1,2,3-triazole; 1,3-dipolar cycloaddition; 1H-15N correlation; carboxylic amino esters; N-alkylation; oxazolinic precursors; isoindoline-1,3-dione; N-alkylation; inorganic chemistry; chemistry education; 1,2,3-Triazole; 1,4-regioisomer; 1,5-regioisomer; phosphonic glycine analogs; NMR spectroscopy; chemical pathway; carboxylic amino esters; N-alkylation; pyrazole; N-alkylation; 2D NMR; inorganic chemistry etc. This book contains various materials suitable for students, researchers and academicians of this area.