Hydrogen

H₂

Upamostat Hydrogen Sulphate

Hydrogen fluoride(Oral-B Minute-foam, Perfect Choice One Minute)

FH

Hydrogen iodide

<dd class="col-xl-8 col-md-9 col-sm-8">HI</dd>

Calcium sulfide

CaS

Selenium Sulfide(Selrx, Selsun Blue)

S₂Se

Hydrogen peroxide(Eskata, Orajel Mouth Sore Rinse)

H₂O₂

Moxifetin hydrogen maleate

Nandrolone hydrogen sulfate

C₁₈H₂₆O₅S

Ethyl hydrogen diethylamidophosphate

C₆H₁₆NO₃P