1,4-丁烷二基二-膦酸四乙酯

8-oxa-5-azoniaspiro[4.5]decane,bromide

4-(4-bromobutoxy)benzaldehyde

4,4-(1,4-丁烷二yl)二氧基二苯甲醛

1-(3-hydroxypropyl)cyclopentan-1-ol