(S)-4-(tert-butoxycarbonyl)-1,4-oxazepane-2-carboxylic acid (CAS RN 1273567-44-4) with a purity by weight of 95 % or more
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condition:B,certificate:Y915,action:29|condition:B,certificate:Y916,action:29|condition:B,certificate:Y150,action:29|condition:B,action:09