1. Natural
Products Research Laboratory, School of Science, Mae Fah Luang University, Tasud, Muang, Chiang Rai 57100, Thailand
2. School
of Cosmetic Science, Mae Fah Luang University, Tasud, Muang, Chiang Rai 57100, Thailand
3. Department
of Chemistry, Faculty of Science, Chiang Mai University, Sutep,
Muang, Chiang Mai 50200, Thailand
4. Departments of Chemistry and Earth, Ocean & Atmospheric Sciences, University of British Columbia, 2036 Main Mall, Vancouver, BC, Canada V6T 1Z1
5. School
of Science, University of Phayao, Maeka, Muang, Phayao 56000, Thailand