Provided is a pharmaceutical composition for inhibiting angiogenesis, comprising a therapeutically effective amount of a compound represented by Formula 1: (I) wherein R1 through R13 and X are as defined in the specification. Compounds used as an active ingredient in the pharmaceutical composition of the present invention bind to QP-C to provide effective prevention of angiogenesis and can be effectively used for prevention and/or treatment of angiogenesis-related diseases or disorders. Further, the active compounds of the present invention inhibit biological functions of QP-C, which consequently leads to inhibition of angiogenic responses without the risk of cellular apoptosis, thus significantly improving safety of the drug.
