The present invention provides novel iodopropargyl derivatives represented by the following formula (1):
 wherein R1 is a methoxy group or a cyano group, which have a reduced unpleasant smell and also have a wide antimicrobial spectrum and a high antimicrobial activity. Also, the present invention provides antimicrobial, antifungal and preservative or antimold agents comprising the above derivatives as an active ingredient.
                            本发明提供了由下式(1)表示的新型
碘丙炔基衍
生物:
 其中 R1 为甲氧基或
氰基,这些衍
生物具有较低的难闻气味,同时具有较广的抗菌谱和较高的抗菌活性。此外,本发明还提供由上述衍
生物作为活性成分的抗菌剂、防霉剂和
防腐剂或防霉剂。