IUPAC:(5S,8S,9R)-8-benzoyl-9-hydroxy-2-[(1S,2S,3Z)-1-hydroxy-2-methoxyhex-3-en-1-yl]-8-methoxy-3-methyl-1-oxa-7-azaspiro[4.4]non-2-ene-4,6-dione
IUPAC:(5S,8S,9R)-8-benzoyl-9-hydroxy-2-[(1S,2S,3Z)-1-hydroxy-2-methoxyhex-3-en-1-yl]-8-methoxy-3-methyl-1-oxa-7-azaspiro[4.4]non-2-ene-4,6-dione