7780-33-8_4-羟基-6,7,8-三甲氧基-3a,4,14,14a-四氢苯并[3,4]呋喃并[3',4':6,7]环辛四烯并[1,2-f][1,3]苯并二噁唑-3(1H)-酮,Suppliers,Manufacturer_ChemCD

4-羟基-6,7,8-三甲氧基-3a,4,14,14a-四氢苯并[3,4]呋喃并[3',4':6,7]环辛四烯并[1,2-f][1,3]苯并二噁唑-3(1H)-酮

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	上海杨化工有限公司 7780-33-8, 4-羟基-6,7,8-三甲氧基-3a,4,14,14a-四氢苯并[3,4]呋喃并[3',4':6,7]环辛四烯并[1,2-f][1,3]苯并二噁唑-3(1H)-酮, DOWCO105	[86] 2154173791 http://www.youchemicals.com	TradingCompany	CN	Inquiry