Compounds of this type are a key step in biosynthesis of cholesterols, occurring immediately after the operation of phenyl transferase. The monomer is an exceptionally polarizable diene, and its derivatives include retinal and squalene. Naturally occurring polymers include the caoutchouc, balata and gutta-percha, while its 
Compounds of this type are a key step in biosynthesis of cholesterols, occurring immediately after the operation of phenyl transferase. The monomer is an exceptionally polarizable diene, and its derivatives include retinal and squalene. Naturally occurring polymers include the caoutchouc, balata and gutta-percha, while its namesake rule states that the terpenes are multiples of a unit of this molecule. For ten points, what is the common name for this compound with formula C5H8 and IUPAC name 2-methyl-1, 3-butadiene?
Compounds of this type are a key step in biosynthesis of cholesterols, occurring immediately after the operation of phenyl transferase.
{isoprene} (accept {2-methyl-1, 3-butadiene} before it’s mentioned)