回复learner1999发表于:2020/9/3 15:24:47悬赏金额:
20积分 状态:
未解决
分子量不大,但是在nist14里居然找不到,请教大家了,谢谢!
[img=,690,335]https://ng1.17img.cn/bbsfiles/images/2019/09/201909031523583684_3410_1618372_3.png!w690x335.jpg[/img]
[img=,690,165]https://ng1.17img.cn/bbsfiles/images/2019/09/201909031524191263_5493_1618372_3.png!w690x165.jpg[/img]