Synonyms: Formamide,N-[(1E,3R,4R,5R,9S,10S,11S)-10-hydroxy-11-[(1S,2'S,3S,5S,7R,8S,9R,12E,14E,16S,17R,19R)-16-hydroxy-3,5,7,17-tetramethoxy-8,14-dimethyl-11-oxospiro[10,23-dioxabicyclo[17.3.1]tricosa-12,14,20-triene-4,2'-oxiran]-9-yl]-4-methoxy-3,5,9-trimethyl-6-oxo-1-dodecenyl]-N-methyl-(9CI); Scytophycin B, 6-hydroxy-7-O-methyl-, (6S)-;Spiro[10,23-dioxabicyclo[17.3.1]tricosane-4,2'-oxirane], scytophycin B deriv.;Formamide,N-[10-hydroxy-11-(16-hydroxy-3,5,7,17-tetramethoxy-8,14-dimethyl-11-oxospiro[10,23-dioxabicyclo[17.3.1]tricosa-12,14,20-triene-4,2'-oxiran]-9-yl)-4-methoxy-3,5,9-trimethyl-6-oxo-1-dodecenyl]-N-methyl-,[1S-[1R*,3R*,4R*,5R*,7S*,8R*,9S*(1E,3S*,4S*,5S*,9R*,10R*,11R*),12E,14E,16R*,17S*,19S*]]-;Tolytoxin; Tolytoxin A