This is the one recommended by the Frontline Covid-19 Critical Care Alliance
What is the proper dosage of this drug?
Dr Jackie Stone reccomends 0.4 to 0.6 Milligrams per Kilo body weight.
You can follow her discussion and survival of COVID 19 on this video:
FLCCC WEEKLY UPDATE - Dr Eric Osgood and Dr. Jackie Stone of Zimbabwe
The first 9 minutes are introduction followed by 22 minutes of detailed discussion then on to questions. Your question is answered 25 to 28 minutes in.