53126-64-0 54385-59-0 60538-73-0 BRN 4616048 Satratoxin H Spiro(5,9,16,18-dimethano-1H,3H,23H-(1,6,12)trioxacyclooctadecino(3,4-d)(1)benzopyran-17(18H),2'-oxirane)-3,14(9H)-dione, 6,7,16,16a,19a,22-hexahydro-25-hydroxy-9-((1S)-1-hydroxyethyl)-16a,21-dimethyl-, (2'R,4E,9R,10E,12Z,16R,16aS,18R,19aR,23aR,25R)-