Srm-a

L53-18 A

sporeamicin A

9,10-Didehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxoerythromycin

9,12-Epoxy-11-oxo-11,12-dideoxy-9,10-didehydro(9-deoxoerythromycin)

Erythromycin, 9,10-didehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxo-