The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 600
... structure of calycanine was shown by synthesis not to be an indole derivative . An X - ray diffraction study of the calycanthine molecule showed that its structure did not include indole nuclei , and it was concluded that the extreme ...
... structure of calycanine was shown by synthesis not to be an indole derivative . An X - ray diffraction study of the calycanthine molecule showed that its structure did not include indole nuclei , and it was concluded that the extreme ...
Page 601
... structure of which is CH , O . CH , O CO2H ( acid product ) The structure of this compound was proved by synthesis . Nonetheless , structures of morphine , based upon that of these products - apomorphine , in particular - were un ...
... structure of which is CH , O . CH , O CO2H ( acid product ) The structure of this compound was proved by synthesis . Nonetheless , structures of morphine , based upon that of these products - apomorphine , in particular - were un ...
Page 603
... structure : retrorsine OH OH Purines . Although the purine bases ( with two rings in the molecules , five- and six - membered , respectively , each including two nitrogen atoms ) are nitrogenous com- pounds elaborated by many different ...
... structure : retrorsine OH OH Purines . Although the purine bases ( with two rings in the molecules , five- and six - membered , respectively , each including two nitrogen atoms ) are nitrogenous com- pounds elaborated by many different ...
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