1 F9Z 2-(2-chlorophenyl)-8-[(3~{R},4~{R})-1-methyl-3-oxidanyl-piperidin-4-yl]-5,7-bis(oxidanyl)chromen-4-one 1.000 2 CPB 2-(2-chloro-phenyl)-5,7-dihydroxy-8-(3-hydroxy-1-methyl-piperidin-4-yl)-4h-benzopyran-4-one 1.000