I-AB-MECA REFERENCE STANDARD FO 1-[6-[[(4-amino-3-iodophenyl)methyl]amino]-9h-purin-9-yl]-1-deoxy-n-methyl-β-d-ribofuranuronamide 3-Iodo-4-aminobenzyl-5μ-N-methylcarboxamidoadenosine, 1-[6-[[(4-Amino-3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1-deoxy-N-methyl-β-D-ribofuranuronamide, N6-(4-Amino-3-iodobenzyl)-5μ-N-methylcarbamoyladenosine 3-Iodo-4-aminobenzyl-5′-N-methylcarboxamidoadenosine N6-(4-Amino-3-iodobenzyl)-5′-N-methylcarbamoyladenosine β-D-Ribofuranuronamide, 1-[6-[[(4-amino-3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1-deoxy-N-methyl-