ddI vs didanosine

ddI and didanosine both are nouns.

Word	Noun	Adjective	Verb	Adverb
ddI	Yes	No	No	No
didanosine	Yes	No	No	No

As nouns, ddI and didanosine are synonyms defined as:

ddI and didanosine: an antiviral drug used to combat HIV infection, a reverse transcriptase inhibitor

Other synonyms of ddI include DDI, dideoxyinosine.

ddI (noun)	didanosine (noun)
an antiviral drug used to combat HIV infection, a reverse transcriptase inhibitor	an antiviral drug used to combat HIV infection, a reverse transcriptase inhibitor