116649-85-5 3-(4-Fluorophenylsulfonamido)-1,2,3,4-tetrahydro-9-carbazole propanoic acid 9H-Carbazole-9-propanoic acid, 3-(((4-fluorophenyl)sulfonyl)amino)-1,2,3,4-tetrahydro-, (R)- Bay u 3405 Bay u 3406 Bay u-3405 Baynas ramatroban