1,4-环己二酮单乙二醇缩酮

N,N-二苄基-1,4-二噁螺[4.5]-8-癸胺

N-(苯基甲基)-1,4-二氧杂螺[4.5]癸烷-8-胺

benzyl 1,4-dioxaspiro[4.5]dec-8-ylcarbamate

4-oximinocyclohexanone ethylene ketal