trans-1,2-di(ethylthio)-1-propene

1-(5-氯苯并[B]呋喃-2-基)-1-乙酮

3-(2-oxo-propoxy)-benzo[b]thiophene-2-carboxylic acid methyl ester

苯并[b]噻吩-2-羧酸甲酯

(4-氟苯基硫)丙酮