3-O-de-[(2,6-dideoxy-3-methyl-3-O-methyl-α-L-ribohexopyranosyl)oxy]-6-O-methyl-cyclic 11,12-carbonateerythromycin 2'-acetate

4''-O-propenoyl-6-O-methyl-erythromycin A

4''-O-(2-(2-hydroxyl-5-chlorophenyl)-1H-benzimidazole-5-carbonyl)hydrazinecarbonylclarithromycin