Figure 1
Lupulin D in Chen, Tan, Liu, Liu & Chen (1996), showing (a) the formula shown in the original paper, (b) the structure according to deposited data (TEHZOV) showing an ent-neoclerodane skeleton, and (c) lupulin D/clerodinin B (revised) showing the neoclerodane skeleton and the 15β-methoxy substitution. |