| abstract |
Compounds of formula (IIc); wherein X 3 and X 4 independently from each other are N or CR 8 wherein R 8 may be same or different; Y 1 , Y 2 , Y 3 and Y 4 independently from each other are N or CR 9 wherein R 9 may be same or different and wherein up to 3 of the group Y 1 , Y 2 , Y 3 and Y 4 may be N; their solvates, hydrates, and pharmaceutically acceptable salts, their use for modulating the Wnt signalling pathway activity and their use as a medicament, preferably for the treatment of cancer. |