In this task, you are given a sentence. You are expected to recognize the name of any form of chemical substances. Although there might be several correct answers, you need to write one of them.

[Q]: The increased number of Leydig cells by di(2-ethylhexyl) phthalate comes from the differentiation of stem cells into Leydig cell lineage in the adult rat testis.
[A]: di(2-ethylhexyl) phthalate


[Q]: The effect of triclosan on mediators of gingival inflammation.
[A]: triclosan


[Q]: Mifepristone alters expression of endometrial steroid receptors and their cofactors in new users of medroxyprogesterone acetate.
[A]:
steroid


