* If the product has intellectual property rights, a license granted is must or contact us.
AstaTech, Inc
(215) 785 3197
http://www.astatechinc.com
上海昶衍化工科技有限公司
021-20242659
http://www.changyanchem.com
MRV:1,4-二氧杂螺[4.4]壬烷-6-甲醇.cml