Einecs 268-545-9

1-Methyl-1-chloro-6,6-dioxo-1-sila-5,7-dioxa-6-thiacycloheptane

4-chloro-4-methyl-1,3-dioxa-2-thia-4-silacycloheptane 2,2-dioxide

1,3-Dioxa-2-thia-4-silacycloheptane, 4-chloro-4-methyl-, 2,2-dioxide