Rubratoxin B

1,5-cyclononadiene-1,2,5,6-tetracarboxylic1,2:5,6-dianhydride,8-((3,6-dihydro ; rubratoxin b vial with 10 mg* ; 1h-cyclonona(1,2-c:5,6-c')difuran-1,3,6,8(4h)-tetrone,10-((3,6-dihydro-6-oxo-2 ; rubratoxin ; rubratoxin b,98% ; h-pyran-2-yl)hydroxymethyl)-5,9,10,11-tetrahydro-4-hydroxy-5-(1-hydroxyheptyl) ; rubratoxin b from penicillium rubrum ; 5s*(r*),10s*(s*(s*)))-(+)-(4r* ; -6-oxo-2h-pyran-2-yl)hydroxymethyl)-3-hydroxy-4-(1-hydroxyheptyl)- ; rubratoxin b