Can anybody tell me the approximate equivalency of EthylBromazolam to diazepam?

If someone were taking, say, 20-30mg of diazepam every 24-48 hours (20-30mg just to function but 40+mg when having a severe panic attack) and was running out fast, what would be an equal dose of ethylBromazolam? I'm aware the half life is unfortunately a lot lower so redoing more often would be a requirement, simply trying to figure out an approximate dosage equivalency.

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