crinane
National Institutes of Health
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A high-performance liquid chromatography/electrospray ionization multi-stage tandem mass spectrometry (HPLC/ESI-MS(n)) method was…
Two new alkaloids; ent-6alpha/6beta-hydroxybuphanisine, (-)-8-demethylmaritidine and seven known alkaloids were isolated from…
3-Methyl-8, 9-methylenedioxy-1H, 6H-5, 10b-ethano-2, 3, 4, 4a-tetrahydrophenanthridine, which has the skeleton of crinane, was…