instruction:
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.
question:
Tumor necrosis factor-alpha potentiates the cytotoxicity of amiodarone in Hepa1c1c7 cells: roles of caspase activation and oxidative stress.
answer:
amiodarone


question:
Design, Synthesis and biological evaluation of catecholamine vehicle for studying dopaminergic system.
answer:
catecholamine


question:
Synthesis of derivatives of methyl rosmarinate and their inhibitory activities against matrix metalloproteinase-1 (MMP-1).
answer:

methyl rosmarinate