7,15-Dioxa-10,12-dithia-11-stannaheneicosanedioic acid, 11-butyl-11-((2-((6-methoxy-1,6-dioxohexyl)oxy)ethyl)thio)-6,16-dioxo-, dimethyl ester 70942-35-7 Dimethyl 11-butyl-11-((2-((6-methoxy-1,6-dioxohexyl)oxy)ethyl)thio)-6,16-dioxo-7,15-dioxa-10,12-dithia-11-stannahenicosanedioate EINECS 275-042-8