873189-08-3
3-carboxymethylsulfonyl-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid
→
~74%
873189-09-4
4,5,6,7-四氢-6,6-二甲基-3-(甲基磺酰基)-4-氧代-苯并[c]噻吩-1-羧酸