1,3,5-Trithiane291-21-4100 % similar 1,3-Dithiolane4829-04-356 % similar 1,3-Dithiane505-23-745 % similar Bis(2-hydroxyethylthio)methane44860-68-636 % similar Thiirane420-12-233 % similar 1,4-Dithiane505-29-333 % similar 2,2′-Thiobis[ethanamine]871-76-131 % similar