105522-86-9 2-Phenylacetylamino-3-carboxy-4-methyl-5-thiopheneacetic acid 2-Thiopheneacetic acid, 4-carboxy-3-methyl-5-((phenylacetyl)amino)- 2-Thiopheneacetic acid, 4-carboxy-3-methyl-5-(2-phenylacetamido)- 4-Carboxy-3-methyl-2-(2-phenylacetamido)-2-thiopheneacetic acid BRN 5610260