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.

Effects of folic acid deficiency and MTHFR C677T polymorphism on spontaneous and radiation-induced micronuclei in human lymphocytes.
folic acid

Effect of cyproheptadine on serum leptin levels.
cyproheptadine

Pharmacogenetic differences in response to albuterol between Puerto Ricans and Mexicans with asthma.

albuterol