Supporting Information Squarrosine A and Pyrrolhuperzine A, New Lycopodium Alkaloids from Thai and Philippine Huperzia squarrosa Thanasan Nilsu 1 , Sakornrat Thorroad 2 , Somsak Ruchirawat 2, 3, 4 , Nopporn Thasana 2, 3, 4 Affiliations 1 Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok, Thailand 2 Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok, Thailand 3 Chemical Biology Program, Chulabhorn Graduate Institute, Bangkok, Thailand 4 The Center of Excellence on Environmental Health and Toxicology (EHT), Commission on Higher Education, Ministry of Education, Bangkok, Thailand Correspondence Dr. Nopporn Thasana Laboratory of Medicinal Chemistry Chulabhorn Research Institute 54 Kamphaeng Phet 6 Talat Bang Khen Lak Si Bangkok 10210 Thailand Phone: +66 2553 8555 Fax: +66 2553 8527 nopporn@cri.or.th © Georg Thieme Verlag KG · DOI 10.1055/s-0042-106904 · Planta Med · Nilsu T et al.