Duc Thien Dao, Hoang Sa Nguyen, Huu Thu Do and Thanh Tam Nguyen 2023. Compounds from the ethyl acetate extract of Pteris multifida Poir. collected in Nam Dinh province, Vietnam. Vietnam Journal of Science, Technology and Engineering. 65, 3 (Sep. 2023), 39-43. DOI:https://doi.org/10.31276/VJSTE.65(3).39-43.