Buthym  -  Bz Nummer
Butyraldehyd 16
i-Butyraldehyd xxx
Butyraldehydoxim 14
(±)-β-Butyrolacton 16 / # (19a+c)
γ-Butyrolacton 16 / # 54 Narkotisch
n-Butyronitril 7
Butyrylchlorid 2
5-(3-Butyryl-2,4,6-trimethyl-phenyl)-2-[1-(ethoxy-imino)
propyl]-3–hydroxy-cyclo-hex-2-en-1-on]
# (19b)
Buxus sempervirens 14
Byssochlamys 19a
B Z - Stoff xxx