Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.
合
非天然氨基酸3-(4-噻唑基)-D,L-丙氨酸盐酸盐以及三个中间体,其结构分别通过红外光谱、
磁共振、元素分析、熔
等测试手段得到确证。

物质熔


确实会降低冰的
形态5
由强度不定的化学键链接成的非晶固体,它没有确定的
能的
因低得多,使其
情况


