ethylene bis[[(8-butyl-5,11-dioxo-1,4-dioxa-7,9-dithia-8-stannacycloundec-8-yl)thio]acetate]

Bis[[(8-butyl-5,11-dioxo-1,4-dioxa-7,9-dithia-8-stannacycloundecan-8-yl)thio]acetic acid]1,2-ethanediyl ester