From the bulbs of Vietnamese Crinum amabile, besides lycorine, buphanisine and augustine, for the first time, ambelline, flexinine, and two new alkaloids crinamabine and 4a-dehydroxycrinamabine were isolated. Their structures were established from spectroscopic evidence.
From the bulbs of Vietnamese Crinum amabile, besides lycorine, buphanisine and augustine, for the first time, ambelline, flexinine, and two new alkaloids crinamabine and 4a-dehydroxycrinamabine were isolated. Their structures were established from spectroscopic evidence.
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