Figure 1

The chemical structure of nine alkaloids: (A) Imperialine; (B) Verticinone; (C) Verticine; (D) Peimisine; (E) Imperialine-3-β-d-glucoside; (F) Delavine; (G) Yibeinoside A; (H) Delavinone; (I) Ebeiedinone.

The chemical structure of nine alkaloids: (A) Imperialine; (B) Verticinone; (C) Verticine; (D) Peimisine; (E) Imperialine-3-β-d-glucoside; (F) Delavine; (G) Yibeinoside A; (H) Delavinone; (I) Ebeiedinone.