110-89-4
哌啶
+
50-00-0
甲醛
114991-12-7
8-(2-phenylethyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione
→
~82%
124312-81-8
8-(2-苯基乙基)-3-(哌啶-1-基甲基)-1,3,8-三氮杂螺[4.5]癸烷-2,4-二酮