发明授权
US4021432A Piperidine derivatives 失效
哌啶衍生物

Piperidine derivatives
摘要:
New 1- and 4-substituted piperidines are stabilizers for organic material. They are produced by reacting corresponding 1-substituted piperidinols with acid chlorides or corresponding 4-substituted piperidines with a compound introducing into the 1-position a residue.
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