| http://www.w3.org/ns/prov#value | - Such compounds include two racemates, a cis racemate and a trans racemate, that together comprise four diastereomers, represented by structural formulae (IIa)-(IId), below (absolute configuration assignments determined assuming R7 is an ester or amide group, and R7 resides on carbon two of the cycloalkyl ring, the pyrimidine 4-nitrogen resides on carbon one of the cycloalkyl ring):
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