6729-96-0 Dioctadecyl 3,3'-dithiodipropionate Distearyl dithiopropionate NSC65492 Propanoic acid, 3,3'-dithiobis- Propanoic acid, 3,3'-dithiobis-, dioctadecyl ester Propionic acid, 3,3'-dithiodi-, dioctadecyl ester