353269-02-0
Methyl 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylate
→
~88%
40133-06-0
5,6-二氢-4H-环戊基(b)噻吩-2-羧酸
2611-03-2
2-chlorocyclopentene-1-carbaldehyde
120-92-3
环戊酮