Three monoterpenoid indole alkaloids: methyl 11, 12-methylenedioxy-N1-decarbomethoxy- 14,15-chanofruticosinate (1), methyl N1-decarbomethoxychanofruticosinate (2), methyl 11,12- methylenedioxychanofruticosinate (3) were isolated from dried leaves of the Vietnamese medicinal plant Trang-Nam (Kopsia pitardii Merr., Apocynaceae) with , and yields, respectively. Their structures were determined by MS and NMR means.