🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsTiếng ViệtРусскийالعربيةفارسی中文日本語EntityQ901637· pop 15· linked from 261 articlesHammett equationfree-energy relationship in organic chemistryAvailable in 15 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCatalanEstonianFinnishConnectionsbenzoic acidEntityresonanceEntityCategoriesCleanup tagged articles with a reason field from June 2015EquationsPhysical organic chemistry