3-(9H-carbazol-4-yloxy)propane-1,2-diol; 3-(9H-Carbazol-4-yloxy)-1,2-propanediol; 1,2-Propanediol, 3-(9H-carbazol-4-yloxy);1,2-Propanediol, 3-(9H-carbazol-4-yloxy)