WAIT A MINUTE!!
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There is spark from the coil to the distributor, but no spark from the distributor to the plugs.

That excludes the power transistor, coil ect. If you have fire to the distributor, but none at the plugs, that means the cap, rotor or spark plug wires are comprimised.
You replaced the cap, rotor and coil wire.
That leaves the spark plug wires, depending on how you tested your spark at the plugs, The spark plugs them selves.

Also depending how you tested for spark, the coil could be weak enough not to fire the cyl, but show a spark at points, so the coil could still be the problem.