The present application belongs to the technical field of
medicine, and particularly relates to a NAMPT inhibitor, a composition, a preparation method and use, a
structural formula of which is: or R 1 H or Br; M is C or N, Y is C or N, Z is C or N; n=0, 1 or 2, or L is an amino group, a
thiourea group, a
urea group, R 2 H, CH3, CF3, OCH3, F or Cl; R is H, a
methyl group, an
ethyl group, an
isopropyl group or a cyclopropyl group; X is F, Cl or Br; the compound of the present application is determined by an
MTT method to have an effect of inhibiting proliferation of gastric
cancer cells, has significant anti-gastric
cancer activity, and has higher activity than that of
apatinib at a
cell level, and can be used for preparing an anti-gastric
cancer drug.