F.34 Draw the structure of each molecule. (a) (E)-4-carbamoylbut-3-enoic acid; (b) 3-carbamoylpentanediamide; (c) 4,6-dioxohexanenitrile; (d) (1S,2S)-2-methoxycyclopent-3-ene-1-carbonitrile; (e) cyclohexa-3,6-diene-1,3-dicarboxylic acid