“…Compound C1 is monoacetylarenarine B[22], C2 is 3‐hydroxymethyl‐β‐carboline , C3 is glusodichotomine AK , C4 is arenarine A[22], C5 is cordysinin C , C6 is 7‐methoxy‐1‐oxo‐1,2,3,4‐tetrahydro‐β‐carboline[26], C7 is 3‐hydroxy‐β‐carboline , C8 is arenarine D , C9 is β‐carboline‐1‐carboxylic acid , C10 is 1,2,3,4‐tetrahydro‐1,3,4‐trioxo‐β‐carbo1ine , C11 is arenarine B , and C12 is cordysinin E (Fig. ).…”