different between isothiazolidine vs isothiazolidinium

English

iso- +? thiazolidine

isothiazolidine (countable and uncountable, plural isothiazolidines)

(organic chemistry) A saturated, five-membered heterocycle containing three carbon atoms and a sulfur and nitrogen atom in the 1,2 positions; any derivative of this compound

isothiazolidine +? -ium

isothiazolidinium (uncountable)

(organic chemistry, especially in combination) A protonated cation formed from isothiazolidine.

Send