Skeels growing in Binh Thuan province, six compounds phyllanthol (1), glochidone (2), lupeol (3), glochidonol (4), -lupene (5), and spruceanol (6) were isolated. Their structures were established by extensive spectroscopic analysis as well as comparison with c. This is the first time that compounds 4-6 were found in Phyllanthus acidus (L.) Skeels.