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... XYBUTA ... (7 elements)

... XYBUT ... (25 elements)

BETAHYDROXYBUTYRIQUE · BUTYLHYDROXYBUTYLNITROSAMINE · CARBOXYBUTYL · HYDROXYBUTYL · HYDROXYBUTYLIDENE · HYDROXYBUTYRATE · HYDROXYBUTYRATES · HYDROXYBUTYRIC · HYDROXYBUTYRIQUE · OXYBUTYNIN

... YBUTA ... (13 elements)

AMINOHYDROXYBUTANE · DIHYDROXYBUTANES · GLYBUTAMIDE · HYDROXYBUTAANZUUR · HYDROXYBUTANES · HYDROXYBUTANONE · HYDROXYBUTANSAURE · POLYBUTADIENE · POLYBUTADIENES

... OXYBUTA ... (7 elements)

AMINOHYDROXYBUTANE · DIHYDROXYBUTANES · HYDROXYBUTAANZUUR · HYDROXYBUTANES · HYDROXYBUTANONE

... XYBUTAN ... (6 elements)

AMINOHYDROXYBUTANE · DIHYDROXYBUTANES · HYDROXYBUTANES · HYDROXYBUTANONE · HYDROXYBUTANSAURE