With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field for bis 4 methylphenyl methyl oxalate but also welcomed during the international industry.
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,6'-(diethylamino)-1',3'-dimethyl- CAS 21934-68-9