7-(二乙胺基)-2-氧代-2-苯并吡喃-3-羧酸

7-(DIETHYLAMINO)-2-OXO-2H-CHROMENE-3-CARBOXYLIC ACID · CAS 50995-74-9

7-(二乙胺基)-2-氧代-2-苯并吡喃-3-羧酸