55' or 2-H may refer to:

Chemistry

edit
  • Deuterium, or 2H, an isotope of hydrogen
  • 2H, a designation for chemicals with two hydrogen molecules
  • 2H-pyran, a form of Pyran
  • 2H-1-benzopyran, a form of Benzopyran
  • 2H-pyran-2-one, a form of 2-Pyrone

Transport

edit

Other uses

edit

See also

edit