Khunnawutmanotham, N.; Chimnoi, N.; Nangkoed, P.; Hasakunpaisarn, A.; Wiwattanapaisarn, W.; Techasakul, S. Facile Extraction of Three Main Indole Alkaloids from Mitragyna speciosa by Using Hot Water. ChemistrySelect 2021, 6, 10221–10225.

Phanumartwiwath, A.; Kesornpun, C.; Sureram, S.; Hongmanee, P.; Pungpo, P.; Kamsri, P.; Punkvang, A.; Eurtivong, C.; Kittakoop, P.; Ruchirawat, S. Antitubercular and Antibacterial Activities of Isoxazolines Derived from Natural Products: Isoxazolines as Inhibitors of Mycobacterium tuberculosis InhA. J. Chem. Res. 2021, 45, 1003-1015

Ezelarab, H.; Abbas, S.; Abourehab, M.; Badr, M.; Sureram, S.; Hongmanee, P.; Kittakoop, P. Abuo-Rahma G, Hassan H. Novel Antimicrobial Ciprofloxacin-Pyridinium Quaternary Ammonium Salts with Improved Physicochemical Properties and DNA Gyrase Inhibitory Activity. Med Chem Res. 2021, 30, 2168-2183.

Darshana, D.; Sureram, S.; Mahidol, C.; Ruchirawat, S.; Kittakoop, P. Spontaneous Conversion of Prenyl Halides to Acids: Application in Metal-Free Preparation of Deuterated Compounds under Mild Conditions. Org. Biomol. Chem. 2021, 19, 7390-7402.

Bhinija, K.; Srifah Huehne, P.; Prawat, H.; Ruchirawat, S.; Saimanee, B.; Mongkolsuk, S.; Satayavivad, J. The Rhizome of Bulbophylllum orchid is the Rich Source of Cytotoxic Bioactive Compounds, the Potential Anticancer Agents. S. Afr. J. Bot. 2021, 141, 367-372.