76-72-2
乙基(1-甲基丁基)丙二酸二乙酯
+
57-13-6
尿素
→
~26%
76-74-4
戊巴比妥
113-00-8
胍
85392-13-8
ethyl 2-cyano-2-ethyl-3-methylhex-3-enoate
75016-38-5