Assertion: impurity | /r/RelatedTo | the leuckart method
Facets:
value: originally
type: MANNER
value: in kram
type: LOCATION
value: in kreugal
type: LOCATION
Source sentences:
text: These two impurities were originally associated with the Leuckart method in the 1970’s (by Barron et al.,2.
text: These two impurities were originally associated with the Leuckart method in the 1970’s (by Barron et al., (18) and Kram and Kreugal (1) ), but it was not possible at that time to preclude them from being formed by other synthetic methods.