6094-60-6
1苄基-4-氰基-4-羟基哌啶
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50289-06-0
4-羟基哌啶-4-羧酸
235100-95-5
1-carbethoxy-4-cyano-4-hydroxypiperidine
59119-18-5
1-苄基-4-羧基-4-哌啶醇