2-Amino-9-hydroxyfluorene 2-Aminofluoren-9-ol 33417-27-5 4-13-00-02240 (Beilstein Handbook Reference) 9H-Fluoren-9-ol, 2-amino- AI3-52446 BRN 1962521 FLUOREN-9-OL, 2-AMINO- NSC 12389