The $IUPAC$ name of the given compound is:

Write the $IUPAC$ names of the following compounds:
$a.$ $CH_3-CH=C(CH_3)_2$
$b.$ $CH_2=CH-C \equiv C-CH_3$
$c.$ $CH_2=CH-CH=CH_2$
$d.$ $C_6H_5-CH_2-CH_2-CH=CH_2$
$e.$ $2-\text{Methylphenol}$
$f.$ $CH_3-(CH_2)_4-CH(CH_2-CH(CH_3)_2)-(CH_2)_3-CH_3$
$g.$ $CH_3-CH=CH-CH_2-CH=CH-CH(C_2H_5)-CH_2-CH=CH_2$

The $IUPAC$ name of $HOOC-CH(OH)-CH(OH)-COOH$ is

What is the $IUPAC$ name of the following compound?

What is the $IUPAC$ name of the compound $CH_3-CH(CH_3)-C(=O)-CH(CH_3)-OH$?

The structure of $4-$Methylpent$-2-$enal is: