Voruscharin

Voruscharine

3'',4''-Dihydrouscharin

2α,3β-[[(5S,6R,7S,9R)-6-Hydroxy-9-methyl-8-oxa-1-thia-4-azaspiro[4.5]decane-6,7-diyl]bis(oxy)]-14-hydroxy-19-oxo-5α-card-20(22)-enolide

14-Hydroxy-2α,3β-[[(5S,6R,7S,9R)-6-hydroxy-9-methyl-8-oxa-1-thia-4-azaspiro[4.5]decane-6,7-diyl]bis(oxy)]-19-oxo-5α-carda-20(22)-enolide