Chuanbeinone, a novel D/E cis-(22R,25S)-5α-cevanine alkaloid from chinese herbal drug, chuan-bei-mu

Chuanbeinone, a novel D/E cis-(22R,25S)-5α-cevanine alkaloid from chinese herbal drug, chuan-bei-mu New steroidal alkaloids from the chinese herb drug, "Bei-mu". New steroidal alkaloids from the chinese herb drug, "Bei-mu". Tortifoline, a novel (20S, 22R)-5.ALPHA.-cevanine alkaloid from Fritillaria tortifolia. The structural elucidation of fritillaria alkaloids from Fritillaria ebeiensis var. purpurea. I. The structures of ebeienine, ebeiedine and ebeiedinone. The structural elucidation of fritillaria alkaloids from Fritillaria ebeiensis var. purpurea. I. The structures of ebeienine, ebeiedine and ebeiedinone. Tortifoline, a novel (20S, 22R)-5.ALPHA.-cevanine alkaloid from Fritillaria tortifolia. Pingbeinone, a novel steroidal alkaloid having C-18 nor cevane skeleton from Fritillaria ussuriensis Maxim Puqiedinone, a Novel 5α-Cevanine Alkaloid from the Bulbs of Fritillaria puqiensis, an Antitussive Traditional Chinese Medicine Puqiedinone, a Novel 5α-Cevanine Alkaloid from the Bulbs of Fritillaria puqiensis, an Antitussive Traditional Chinese Medicine