Lincomycin is a lincosamide antibiotic with activity against a wide
range of Gram-positive and Gram-negative bacteria and mycoplasma.
Spectinomycin is an aminocyclitol antibiotic and is also active against
mycoplasma as well as many Gram-negative bacteria, particularly
members of the Enterobacteriaceae. Amoxycillin is a
semisynthetic broadspectrum penicillin with a bactericidal action
against both Gram-positive and Gram-negative bacteria.