Fig. 1.

Structure elucidation of a pure active compound from fractionation and purification of the natural product extract from Streptomyces manzanensis (12610-H1). (A) Isolated Indolactam V 1H NMR in DMSO-d6, 700 MHz. (B) Isolated Indolactam V 13C NMR in DMSO-d6, 700 MHz. (C) Indolactam V NMR chemical shifts in DMSO-d6 (700 MHz). d, doublet; m, multiplet; s, singlet; t, triplet. (D) Structure of (−)-Indolactam V.