5082-82-6
噻唑并[5,4-d]嘧啶-5,7(4H,6H)-二酮
→
~84%
13479-88-4
5,7-二氯噻唑并[5,4-d]嘧啶
5021-69-2
(4-carbamoylthiazol-5-yl)carbamic acid ethyl ester
1394941-05-9
ethyl 5-((ethoxycarbonyl)amino)thiazole-4-carboxylate