96566-14-2
2H-1-BENZOPYRAN-2-CARBOXYLIC ACID, 3,4-DIHYDRO-7-HYDROXY, ETHYL ESTER
→
124356-21-4
3,4-二氢-7-羟基-2H-1-苯并吡喃-2-羧酸
+
124439-32-3
(S)-ethyl 7-hydroxychroman-2-carboxylate
124439-98-1
3,4-二氢-7-羟基-2H-1-苯并吡喃-2-羧酸乙酯