83297-16-9
2-t-butyl-2,3-dihydro-6-methyl-3-oxopyridazine-4-carboxylic acid
→
~86%
13327-27-0
6-甲基-3(2H)-哒嗪酮
1173165-23-5
~75%
21012-44-2
~72%
5157-08-4
4,5-二氢-6-甲基哒嗪-3(2H)-酮
~65%
74557-73-6
6-甲基-3-氧代-2,3-二氢哒嗪-4-羧酸
539-88-8
乙酰丙酸乙酯
14923-67-2
乙基 (4E)-4-(氨基甲酰肼亚基)戊酸酯
99903-59-0
4-Pyridazinecarbonitrile, 2,3-dihydro-6-methyl-3-oxo-
123-76-2
乙酰丙酸
87823-46-9
ethyl 3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylate
89941-79-7
Pentanoic acid, 2-hydroxy-4-oxo-, ethyl ester
1121-79-5
3-氯-6-甲基哒嗪