Thiol:A thiol is an organic compound containing a sulfhydryl (-SH) group attached to an alkyl or aryl group, akin to alcohols but with sulfur replacing oxygen.
Ether:An ether is an organic compound where an oxygen atom is connected to two alkyl or aryl groups, serving as an oxygen analog to sulfides.
Epoxide:An epoxide is a cyclic ether with a three-membered ring, consisting of an oxygen atom bonded to two adjacent carbon atoms in an organic molecule