preferred_name: (3R)-3-((3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-18-AMINO-6-((1S,2S)-2-(3,4-DIHYDROXYPHENYL)-1,2-DIHYDROXYETHYL)-11,20,21,25-TETRAHYDROXY-15-((1R)-1-HYDROXYETHYL)-26-METHYL-2,5,8,14,17,23-HEXAOXO-1,4,7,13,16,22-HEXAZATRICYCLO(22.3.0.09,13)HEPTACOSAN-3-YL)-3-HYDROXYPROPANAMIDE