:

  •  
                                                          

    ( . ) (1910)

    ( . ) (1910)

    . "" (1934), "" (1941), " " (1954), " " (; 1979); . " ".

    (Butenandt) ( . 1903)

    -
    ( . . 320)
    (Armagnacs et Bourguignons)
    :