Chest: Upper, lower, outer, inner.

upper: incline bench, incline DB fly.
lower: dips(my favorite), decline bench.
inner: CG bench, pec deck, cable crossover, DB bench(squeeze DBs together at the top).
outer: WG bench, DB fly, dips.

a typical chest routine:
flat BB bench
incline DB press
dips(lean forward)
DB fly
straight arm pullover