1,3,2-Oxathiastannolan-5-one, 2,2-dioctyl- 1,3,2-Oxathiastannolane, 2,2-dioctyl-, 5-oxide 15535-79-2 Dioctyltin S,O-mercaptoacetate Dioctyltin mercaptoacetate Dioctyltin-O,S-thioglycollate NSC65517