Отметь формулу \(3\)-аминобутановой кислоты.

• \(\begin{aligned} &\underset{|}{\underset{CH_{3}}{C}}H_{2}-\underset{|}{\underset{NH_{2}}{C}}H-COO-CH_{3} \\ & \end{aligned}\)
• (\begin{equation*}
  \begin{aligned}
  CH_3-CH_2-\underset{|}{C}H-COOH \
  ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\ NH_2
  \end{aligned}
  \end{equation*})
• (\begin{equation*}
  \begin{array}{l}
  CH_3-\underset{|}{C}H-CH_2-COOH \
  ,,,,,,,,,,,,,,,,,,,,,,NH_2
  \end{array}
  \end{equation*})
• (\begin{equation*}
  \begin{array}{l}
  \underline{C}H_2 - CH_2 - CH_2 - COOH \
  NH_2
  \end{array}
  \end{equation*})