Yep, deuterium - single proton hydrogen is also not produced by any process after the Big Bang but I thought this to be trivial because one proton is simply no nucleosynthesis at all (and no, it is not produced in any decay process I know of).

But here's to deuterium =D> =D> =D>

Your go, George! 8)

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Non sunt multiplicanda entia praeter necessitatem.