Fig. 5From: Identification of novel tylosin analogues generated by a wblA disruption mutant of Streptomyces ansochromogenes Structural determinations of compound 1 and compound 2. a 1H NMR of compound 1. b 13C NMR of compound 1. c The structure of compound 1. d 1H NMR of compound 2. e 13C NMR of compound 2. f The structure of compound 2. g The structure of tylosin. Active groups contributing to tylosin activity are indicated by dashed line. The structural differences among tylosin, compound 1 and compound 2 are shown in red Back to article page