156429-11-7

(1aR,2R,10S,10aR)-9-diazonio-2,8-dihydroxy-10a-methyl-10-[(2-methylpropanoyl)oxy]-7-oxo-2,7,10,10a-tetrahydro-1aH-benzo[6,7]fluoreno[2,3-b]oxiren-3-olate