isobutyrateWiktionary 原文构词拆分iso-前缀Same, identical. · Equal; equivalent.+butyrate词根/词干词源说明From iso- + butyrate.释义（英文）名词 Noun(organic chemistry) Any salt or ester of isobutyric acid词族派生词（3）ibopamineibuterollinalyl isobutyrate