troleandomycin

noun

tro·​le·​an·​do·​my·​cin ˌtrō-lē-ˌan-də-ˈmīs-ᵊn 

: an orally administered antibacterial drug C₄₁H₆₇NO₁₅ that is the triacetate ester derivative of oleandomycin used chiefly against bacteria of the genus Streptococcus (especially S. pneumoniae and S. pyogenes)

called also triacetyloleandomycin