Imuran vs azathioprine

Imuran and azathioprine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Imuran	Yes	No	No	No
azathioprine	Yes	No	No	No

As nouns, Imuran and azathioprine are synonyms defined as:

Imuran and azathioprine: an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ

Imuran (noun)	azathioprine (noun)
an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ	an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ