Rear door window for fiat brava

I would like to know how to remove the window on the back door on fiat brava. The problem is i can't get it out. I removed iner door panel and disconnected te
window, as i try to get it out it gets stuck in uper left corner (side closer to car when doors are open). I get it partialy out but that corner wont let go, Is there some othe mechanizem holding it on that part?
Best Regards Igor

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