I'm not even remotely familiar with chemistry... but here's what I found: Amyl acetate also pentyl ethanoate, pentyl acetate is an organic compound and an ester with the chemical formula CH3COOC5H11 and the molecular weight 130.18 g/mol.    From Wordnik.com.  [A Special Message Just for You] Reference

Ticagrelor (BRILINTA (TM)) is an investigational oral antiplatelet treatment for ACS and the first in a new chemical class, the CPTPs (cyclo-pentyl-triazolo-pyrimidines).    From Wordnik.com.  [Health News from Medical News Today] Reference

It's pentyl acetate.    From Wordnik.com.  [A Special Message Just for You] Reference

S methyl pentyl sulfide + NADPH + O2.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

(cyclo-pentyl-triazolo-pyrimidines).    From Wordnik.com. Reference