We believe that prolonged expression partnership is usually a result of high quality, benefit added assistance, rich encounter and personal contact for 34052 90 9 in stock Welcome to post your sample and color ring to let's produce according to your specification.Welcome your inquiry! Seeking forward to building long-term cooperation with you!
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,6'-(diethylamino)-1',3'-dimethyl- CAS 21934-68-9