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hangzhou verychem science and technology co. ltd.(1'r,5a's,8r,8a's,9a'r)-1'-hydroxy-1',4,4,8',8',11'-hexamethyl-2',3',8a',9'-tetrahydro-1'h,4h,8'h,10'h-spiro[1,4-dioxepino[2,3-g]indole-8,7'-[5a,9a](epiminomethano)cyclopenta[f]indolizine]-9,10'(10h)-dione Hangzhou Verychem Science And Technology Co. Ltd.
Industry Market