"Flexirubin" . . "flexirubin" . . . . . . . . "Flexirubin" . . . . . . . . . . . "2-Dodecyl-3-hydroxy-5-methylphenyl (2E,4E,6E,8E,10E,12E,14E,16E)-17-(4-hydroxy-3-methylphenyl)heptadeca-2,4,6,8,10,12,14,16-octaenoate" . .