3,3'-二甲氧基联苯胺盐酸盐CAS 20325-40-0J-38331-8C14H17ClN2O23,3'-Dimethoxybenzidine dihydrochloride有机酸0 家供应商 —查看详情
2-庚基-3,4-双(9-异氰酸根合壬基)-1-戊基环己烷CAS 68239-06-5J-1570287-0C38H70N2O22-heptyl-3,4-bis(9-isocyanatononyl)-1-pentylcyclohexane溶剂0 家供应商 —查看详情