what is the name of this structure in this link:

h ttps://media.cheggcdn.com/media%2F81c%2F81c63fa4-2eb9-4b07-9eb7-4da3ef3c8f42%2Fimage

there is no space in between h and ttps

https://media.cheggcdn.com/media%2F81c%2F81c63fa4-2eb9-4b07-9eb7-4da3ef3c8f42%2Fimage

I would name that 4-methyl-1-pentene