Our firm sticks to the basic principle of "Quality is the life of your company, and status will be the soul of it" for 4435 53 4 in stock all orders for drawing-based or sample-based processing are welcomed. We have won a good reputation for outstanding customer service among our overseas customers. We will continue to try the best to offer you good quality products and the best service. We are looking forward to serving you.
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,6'-(diethylamino)-1',3'-dimethyl- CAS 21934-68-9