CAS 18159-22-3 appears in our catalog under these names: 1-Benzylpyrrole-2-carboxylic acid, 97%, 1–Benzyl–1H–pyrrole–2–carboxylic acid, 1-Benzyl-1H-pyrrole-2-carboxylic acid, 1-Benzyl-1H-pyrrole-2-carboxylic acid 97%, 1-Benzyl-1H-pyrrole-2-carboxylic acid, 97%, 97%. Offered by: Combi-blocks, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 5g, 1g, 250mg, 10g, 100mg, 0,5g.