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Figure 1
Preparation of crystals of (I). (a) Sublimation apparatus used for short-path distillation, (b) Crystals of (R,S)-HMTBA monomer formed on sublimator's cold finger. |
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Figure 1
Preparation of crystals of (I). (a) Sublimation apparatus used for short-path distillation, (b) Crystals of (R,S)-HMTBA monomer formed on sublimator's cold finger. |