73-66-5Relevant articles and documents
-
Kazmina,Rymoreva
, (1978)
-
Pyrimidine derivatives exhibiting antitumor activity
-
, (2008/06/13)
A compound represented by the formula (I): wherein, for example, R1, R2, R3, and R4 are each independently hydrogen atom, alky, and the like, R5 and R6 are each independently hydrogen atom, alkyl, and the like, X is —O—, —S—, and the like, Y is 5-membered heteroaryl-diyl and the like, Z is optionally substituted aryl and the like, the prodrugs thereof, or their pharmaceutically acceptable salts, or their solvates.