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Cyclohexene-4,4,5,5-d4

Cyclohexene-d10

Cyclohexyl-d11 isocyanate

Cyclohexyl-d11-methyl alcohol

Cyclooctane-d16

Cyclopentane-d9

Cyclopentane-d10

Cyclopentanone-3,3,4,4-d4

Cyclopentanone-d8

Cyclopentene-d8

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