bis-[5-(4-carboxy-butyl)-[2]thienyl]-methane

10-氯-10-氧代癸酸甲酯

2-(2-噻吩甲基)噻吩

bis-[5-(4-methoxycarbonyl-butyryl)-[2]thienyl]-methane

6-氯-6-氧代己酸乙酯