This invention, the new hueniruokisazorijinon chemical compound of formula I, the analog which the medicine manufacture study is allowed, tautomeric die, stereoisomer, the pleomorphic body, the professional drag, the metabolite, relates to the salt or those solvent dishes dressed with sauce. This invention, the new chemical compound or the analog which the medicine manufacture of formula I study is allowed, tautomeric die, stereoisomer, the pleomorphic body, the professional drag, the metabolite, relates to also the manner which synthesizes the salt or those solvent dishes dressed with sauce. In addition as for this invention, the medicine constituent and the use manner which contain the new chemical compound of formula I are offered. The chemical compound of this invention is useful as an antimicrobial glaze, is effective Staphylococcus being attached, Streptococcus being attached, Enterococcus being attached and Bacteroides being attached, Clostridium being attached poly medicine tolerance genera, the influenza germ, many aerotropism such as anti- acidic living thing, and Staphylococcus being attached such as Moraxella species and tubercle bacillus and Enterococcus being attached rinezorido tolerance genus and/or anaerobic gram positivity and/or vis-a-vis the gram negative pathogenic bacteria.本発明は、式Iの新規なフェニルオキサゾリジノン化合物、その製薬学的に許容される類似体、互変異性型、立体異性体、多形体、プロドラッグ、代謝産物、塩、またはその溶媒和物に係わる。本発明は、式Iの新規な化合物もしくはその製薬学的に許容される類似体、互変異性型、立体異性体、多形体、プロドラッグ、代謝産物、塩、またはその溶媒和物を合成する方法にも係わる。本発明はまた、式Iの新規な化合物を含有する医薬組成物とその使用方法を提供する。本発明の化合物は抗微生物薬として有用であり、Staphylococcus属、Streptococcus属、Enterococcus属、Bacteroides属、Clostridium属の多剤耐性種、インフルエンザ菌、Moraxella属種、結核菌などの抗酸性生物、並びにStaphylococcus属およびEnterococcus属のリネゾリド耐性種など多くの好気性および/または嫌気性グラム陽性および/またはグラム陰性病原菌に対して有効である。