668420-92-6 1,4,17,20-Tetraoxacyclodotriacontane-5,16,21,32-tetrone,2,18-bis(hydroxymethyl)-, (2R,18R)- 668421-10-1 1,4,17,20-Tetraoxacyclotetracontane-5,16,21,40-tetrone,2,18-bis[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (2S,18R)- 552-33-0 3,6,9,12,15,18,21,24-octa(propan-2-yl)-1,7,13,19-tetraoxa-4,10,16,22-tetraazacyclotetracosane-2,5,8,11,14,17,20,23-octone 55249-44-0 (4E)-1a,5-dimethyl-8-methylidene-9-oxo-1a,2,3,6,7,7a,8,9,10a,10b-decahydrooxireno[9,10]cyclodeca[1,2-b]furan-6-yl acetate