34737-83-2
1-甲基-4-哌啶酮盐酸盐
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6636-28-8
1-methyl-5,5-diphenylazepan-4-one
23780-97-4
4-hydroxy-1-methyl-piperidine-4-carboxylic acid ethyl ester
20734-30-9
1-甲基-4-羟基-哌啶-4-甲腈
1445-73-4
N-甲基-4-哌啶酮
408525-94-0
4-(α-hydroxy-benzhydryl)-1-methyl-piperidin-4-ol