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waiy2001(½ð±Ò+1,VIP+0):ͬÑùлл¸ø³ö´ð°¸ 4-25 13:30
strong bands at about 2080 cm1 are attributed to the
nas(N3) absorption and the second strong band at 1279 cm1
to the ns(N3) absorption.[14] The appearance of these two
bands indicate the presence of both EO- and EE-azido
bridges in the structure
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