9H-fluorene-9-acetic acid ethyl ester
3-{2-Butoxy-4-[2-(2-9H-fluoren-9-yl-acetylamino)-ethyl]-phenyl}-propionic acid
5-{4-[2-(2-9H-Fluoren-9-yl-acetylamino)-ethyl]-phenyl}-pentanoic acid
(E)-3-{4-[2-(2-9H-Fluoren-9-yl-acetylamino)-ethyl]-phenyl}-acrylic acid
{4-[2-(2-9H-Fluoren-9-yl-acetylamino)-ethyl]-phenyl}-acetic acid