Fig. 1
From: Aminomethyl spectinomycins: a novel antibacterial chemotype for biothreat pathogens

a General structures of modified spectinomycin analogs; b Structures of the aminomethyl spectinomycins examined in this study. Note: AmSPCs 1950, 1951, and 2241 exist as the trihydrochloride salts; 2324 exists as the trihydrobromide salt. See the Materials and methods section for details