ETH20: This is
Potassium Chloride, extended release, used to treat a Potassium deficiency.
O-M650 is
Ultracet, 325mgs
Acetaminophen, 37.5mgs
Tramadol, for pain.
I cannot locate anything on the other one, sorry.
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My information is not guaranteed correct. I do not get them right all the time, but I do enjoy the hunt~