Di-tert-butyl 4-amino-4-(3-(tert-butoxy)-3-oxopropyl)heptanedioate
Bis((2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecin-15-yl)methyl) heptanedioate
