6,14-Dioxa-9,11-dithia-10-stannanonadecanedioic acid, 10,10-dibutyl-5,15-dioxo-, dimethyl ester 70942-34-6 Dimethyl 10,10-dibutyl-5,15-dioxo-6,14-dioxa-9,11-dithia-10-stannanonadecanedioate EINECS 275-041-2