I can't find it written anywhere and my guess is that it doesn't exist as it would be impossible to write it out in a straight line.
Could $\ce{CH2CH2CH2CH2CH2CH2}$ be used ?
I can't find it written anywhere and my guess is that it doesn't exist as it would be impossible to write it out in a straight line.
Could $\ce{CH2CH2CH2CH2CH2CH2}$ be used ?