guaiacol molecule. it is expectorant, disinfectant, plant metabolite. present in wood smoke. structural chemical formula on the

guaiacol anesthetic antiseptic coffee creosote flavor guayacol guiacum methoxyphenol methylcatechol phosphatol skeletal smoke smoky taste veratrole wood drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector white dark blue molecule expectorant disinfectant plant metabolite present smoke background