It's worth pointing out that this _should_ probably increase your estimate from the Drake equation slightly. It means that even if organic 'early life' compound

It's worth pointing out that this _should_ probably increase your estimate from the Drake equation slightly. It means that even if organic 'early life' compounds can arise on planets that nevertheless aren't suited to more complex life, they could still spread to planets that _are_ suited, but don't necessarily have those compounds yet.