5-22-03-00391 (Beilstein Handbook Reference) 52263-47-5 6-Chlor-alpha-methyl-carbazol-2-essigsaeure [German] 6-Chloro-alpha-methyl-9H-carbazole-2-acetic acid 6-Chloro-alpha-methylcarbazole-2-acetic acid 9H-CARBAZOLE-2-ACETIC ACID, 6-CHLORO-alpha-METHYL- BRN 0487098 Carprofen Ro 20-5720 Ro 20-5720/000