702-62-5
1,3-二氮杂螺[4,5]癸烷-2,4-二酮
+
79-11-8
氯乙酸
→
834-45-7
(2,4-二氧代-1,3-二氮杂螺[4.5]-3-癸基)乙酸
839-26-9
(2,4-dioxo-1,3-diaza-spiro[4.5]dec-3-yl)-acetic acid ethyl ester