Guamecycline is a semisynthetic tetracycline. The antibacterial spectrum and antibacterial activity are the same as Tetracycline[1].
ChEBI: Guamecycline is a member of tetracyclines.
[1] E Domenichini, et al. Guamecycline and the bronchopulmonary system. Measurement of antibiotic levels in bronchial secretion.