The image shows three different types of forbidden norbornee isomers. On the left, there is a triangular prism with a pointed top and a curved bottom. The prism is drawn in black and white and has a red circle in the center. The middle prism has a triangular shape with a curved top and two pointed sides. The right prism has two triangular shapes, one with a triangular top and the other with a straight top. The text below the prism reads "Forbidden norborneene isomers".
User danitel uploaded the image
User danitel uploaded the image
