Sintesis Derivat Senyawa Quinoline-4-carboxylic acid Berbasis Ramah Lingkungan MCR dan MAOS menggunakan Katalis Reusable Fe(OTf)3 dan Uji Aktivitasnya sebagai Antioksidan dan Antimikroba = Synthesis of Quinoline-4-carboxylic acid Derivative Compounds Based on Environmentally Friendly MCR and MAOS using Reusable Fe(OTf)3 Catalyst and Test its Activity as Antioxidant and Antimicrobial

Sintesis Senyawa Turunan Piranopirazol dengan Katalis Nano-Fe3O4 = Synthesis of Pyranopyrazole Derivatives Compounds with Nano-Fe3O4 Catalyst

Sintesis dan Uji Aktivitas Antioksidan Senyawa Heterosiklik Spiro Berbasis Kalkon melalui Reaksi Sikloadisi 1,3-Dipolar = Synthesis and Antioxidant Activity Test of Chalcone-Based Spiro Heterocyclic Compounds via 1,3-Dipolar Cycloaddition Reaction

Sintesis Senyawa Bioaktif Derivat Hidrazon dan Klorinasinya dengan Menggunakan Kampor dan Isatin sebagai Senyawa Antioksidan = Synthesis of Hydrazone-derivates and Chlorination with Camphor and Isatin as Antioxidant Compounds

Citra Ramah Lingkungan dalam Iklan Shell: Analisis Makna Referensial dan Sistem Tanda = Eco-Friendly Image in Shell’s Advertisements: Analysis of Referential Meaning and Sign System