Ethyl (3R,4R,5S)-4-(acetylamino)-5-(di-2-propen-1-ylamino)-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate

This compound is a chiral pharmaceutical intermediate specifically used in the manufacturing of oseltamivir. It features a cyclohexene core with functional groups including an amide, an amine, an ester, and ether linkages.