n-甲基-3-******1-methyl-3-piperidinemethanol7583-53-1无色至浅***液体99%n-甲基-4-******1-methyl-4-piperidinemethanol20691-89-8无色至浅***液体99%N-BOC-2-******1-Boc-2-piperidinemethanol157634-00-9白色结晶体99%N-BOC-3-******1-Boc-3-piperidinemethanol116574-71-1白色结晶体99%N-BOC-4-******1-Boc-4-piperidinemethanol123855-51-6白色结晶体99%n-乙氧羰基-4-******1-ethoxycarbonyl-4-Piperidinemethanolethyl2-(hydroxymethyl)piperidine-1-carboxylate白色结晶体99%)