Fig. 1
Structures of lemmokaramine (1), okaramine H (2)12, okaramine B (3) and tryptophan-based diketopiperazin derivatives 4–6 (Shiomoto et al., 1999).
Fig. 1 | Scientific Reports
Structures of lemmokaramine (1), okaramine H (2)12, okaramine B (3) and tryptophan-based diketopiperazin derivatives 4–6 (Shiomoto et al., 1999).
