3,3-diphenyl-heptanal

2, 4-diethylbenzenal

HOW WOULD i DRAW THE STUTRUAL FORMULA FOR THESES TWO?

Heptanal: http://www.flavornet.org/info/111-71-7.html
add two phenyls on the number three carbon (start coounting at the aldehyde end).

On the benzene ring, the alde group is at carbon 1, draw the two ethyl chains on number 2, and anumber 4, counting clockwise.