Two new triterpenes, namely 3,25-epoxy-2 beta ,3 alpha ,7 beta -trihydroxyo
lean-12-en-28-oic acid and 3 beta -angeloyl-2 beta ,23-dihydroxylean-12-en-
28-oic acid, along with four known triterpenoids have been isolated from Mo
sla chinensis. Their structures have been elucidated by means of spectral a
nd chemical evidence.