U-69593 [phenyl-2,6-3H]

UC781 [prenyl-1-14C]

UK-14,304 [imidazolyl-4,5-3H]

Methylnonylketone [2-14C]

Undecaprenol

Undecaprenol [1-3H]

Undecaprenyl phosphate diammonium salt

Undecaprenyl [1-3H] monophosphate diammonium salt

Undecaprenyl [1-3H] pyrophosphate

10-Undecenoic acid [1-14C]