... ; l-t4; t4(hormone); o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin; o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine ... , Canada, Brazil; 98% pass to Germany, Russia, Australia, New Zealand. 4. Most of powders are in stock and could be shipped ...