oxalic acid; ethanedioic acid; Aktisal; Aquisal; oxalate; Oxiric acid; Oxalsaeure; Oxaalzuur; Kyselina stavelova; Acide oxalique ;Acido ossalico; Acidum oxalicum CAS:144-62-7; cas no 144-62-7 (Anhydrous) 6153-56-6 (Dihydrate) Ethanedioic acid, dihydrate; Oxaalzuur (Dutch)Oxalsäure (German); ácido oxálico (Spanish); Acide oxalique (French); Kyselina stavelova (Czech);