As soon as chemists have a definite conception of the internal structure of the molecule of an organic compound, they are able to tackle the task of producing these substances by artificial methods, i.e. by synthesis, as we call it.
Otto WallachMost of the oils which are valued as scents are mixtures of substances; only the combined effect of these leads to the known result.
Otto WallachIn organic chemistry, we have learnt to derive from compounds containing only carbon and hydrogen, i.e. from the hydrocarbons, all other types of combinations, such as alcohols, aldehydes, ketones, acids, etc.
Otto WallachOne would think that plants belonging to the same genus would always produce identical or at least similar oils. But this is by no means so.
Otto Wallach