The present application is directed to solid forms of compounds of formula Ⅰ:and pharmaceutically acceptable salts thereof, that inhibit bacterial gyrase and/or Topo Ⅳ and pharmaceutical compositions comprising said compounds and salts. These compounds and salts are useful in treating bacterial infections.本申請案係關於式(I)化合物之固體形式:及其醫藥學上可接受之鹽,其抑制細菌旋轉酶及/或Topo IV,且係關於包含該等化合物及鹽之醫藥組合物。此等化合物及鹽適用於治療細菌感染。