Draw the structural formula of (3E,5Z)-5-ethyl-3,5-nonadiene. An alternative name for this compound is (3E,5Z)-5-ethylnona-3,5-diene, which follows the rules outlined in the 1993 IUPAC recommendations. N M Incorrect. You have drawn (3E.5E)-5-ethyl-3,5-nonadiene. AZ configuration has the high-priority groups on the same side of the double bond, whereas an E configuration has the high-priority groups on opposite sides of the double bond.