pseurotin A

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

(5S)-8c-benzoyl-9t-hydroxy-2-((1S,2S)-1,2-dihydroxy-hex-3c-enyl)-8t-methoxy-3-methyl-(5rO)-1-oxa-7-aza-spiro[4.4]non-2-ene-4,6-dione

Pseurotin

pseurotin-A

(8S,9R)-2-[(1S,2S,3E)-1,2-dihydroxyhex-3-en-1-yl]-9-hydroxy-8-methoxy-3-methyl-8-(phenylcarbonyl)-1-oxa-7-azaspiro[4.4]non-2-ene-4,6-dione