spiro[2.3]hexane

2,3,14,15,26,27,37,38,39,40,41,42-dodecaoxatetracyclo[26.8.2.2^4,13.2^16,25]dotetracontane

ethyl-methyl-phenethyl sulfonium , iodide

苯甲醛

dibutyl (2-acetoxyethyl)phosphonate