The present invention relates to 1-(quinolin-4-yl)-3-(6-(trifluoromethyl)-pyridin-2-y)urea and 1-(quinolin-4-yl)-3-(6-(trifluoromethyl)-pyrazine-2-yl) urea derivates of formula (I-2): as glycogen synthase kinase 3 (GSK-3) for treating e.g. schizophrenia, Alzheimer's disease, behavioural and psychiatric symptoms of dementia, Parkinson's disease, tauopathies, vascular dementia, acute stroke and other traumatic injuries, cerebrovascular accidents, brain and spinal cord trauma, peripheral neuropathies, bipolar disorders, retinopathies, glaucoma, pain, rheumatoid arthritis and osteoarthritis. A preferred example is e.g. 1-(quinolin-4-yl)-3-(6-(trifluoromethyl)-pyridin-2-yl)urea.
