1-((2,4-Dimethoxy-3-(trimethylstannyl)benzoyl)oxy)-2,5-pyrrolidinedione 130168-12-6 2,5-Pyrrolidinedione, 1-((2,4-dimethoxy-3-(trimethylstannyl)benzoyl)oxy)- N-Succinimidyl-2,4-dimethoxy-3-(trimethylstannyl)benzoate SDTSB