A compound X shows a molecular ion peak at m/z 72 in its mass spectrum, and a strong peak at ~1715 cm-1 in its IR spectrum. Which structures are possible for compound X? 
Definitions:
Glaucoma
A group of eye conditions that damage the optic nerve, often resulting in vision loss and blindness.
Proptosis
The protrusion or forward displacement of the eye from its orbit, which can result from trauma, tumors, or thyroid eye disease.
Exophthalmos
Protrusion of one or both eyeballs, often due to hyperthyroidism, specifically Graves' disease.
Conjunctivitis
Also known as pink eye, it is an inflammation or infection of the outer membrane of the eyeball and the inner eyelid.
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