5466-00-2
6,7-二氢-1H-环戊并[D]嘧啶-2,4(3H,5H)-二酮
+
77-78-1
硫酸二甲酯
→
49786-32-5
1,3-dimethyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine-2,4-dione
611-10-9
2-氧代环戊羧酸乙酯