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Four new diterpenoids, baiyecrystals A-C and epi-baiyecrystal C, were isolated from I.leucophylla. Their structures were determined by means of spectral methods as 1- 4.
Four new diterpenoids, baiyecrystals A-C and epi-baiyecrystal C, were isolated from I. leucophylla. Their structures were determined by means of spectral methods as 1-4.