53-95-2 InChI=1/C15H13NO2/c1-10(17)16(18)13-6-7-15-12(9-13)8-11-4-2-3-5-14(11)15/h2-7,9,18H,8H2,1H N-9H-fluoren-2-yl-N-hydroxyacetamide acetamide, N-9H-fluoren-2-yl-N-hydroxy-