Shanghai Twisun Bio-Pharm Co.,Ltd is one of the leading China 1441670-89-8 manufacturers equipped with professional factory, welcome to wholesale 1441670-89-8 from us.Chemical Name: (6S)-tert-butyl-6-(5-(7-bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl)-5-azaspiro[2.4]heptane-5-carboxylateCAS No.: 1441670-89-8Quality Standard: 98%