74-83-9
溴甲烷
+
2753-74-4
5-苯基-5-乙基-2-硫代硫巴比妥酸
→
~18%
343339-89-9
S-methyl-2-thiophenobarbital
115-38-8
甲基苯巴比妥
104169-72-4
5-ethyl-1-methyl-5-phenyl-2-thioxo-1,2-dihydropyrimidine-4,6(3H,5H)-dione
101938-70-9
76-67-5
乙基苯基丙二酸二乙酯
598-50-5
N-甲基脲
50-06-6
苯巴比妥