. "2,4-dinitrophenol"@en . "2,4-Dinitrofenolo"@it . . . "2,4-Dinitrofenolo — Codice CAS: 51-28-5"@it . . "CAS:51-28-5" . "2,4-dinitrophenol — CAS Identifier: 51-28-5"@en . .