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Abstract
Two minor diterpenoids, 15(16)-peroxy-3, 13-clerodadien-18-oic acid (4) and totarol (7), were isolated from the liverwort Schistochila acuminata. The former is a further oxidized cyclic peroxide from the major component. The latter is a rearranged abietane alcohol which skeleton was found in liverworts for the first time.