. "YEF4JXN031" . . . . . "Tylosin" . "5280440" . "Tylosin" . . . "tylvalosin" . . . "1401-69-0" . "Tylocine, Tylan" . "tylosin tartrate" . . "tylosin" . "42743" . . . "17658" . "D02490" . . . . . . .