英文命名为:(S)-2-(2,2-dimethyl-5-oxo-1,3-dioxolan-4-yl)acetic aci
英文命名为:(S)-2-(2,2-dimethyl-5-oxo-1,3-dioxolan-4-yl)acetic aci
dimethyl{5-[2-(1-methylamino-2-nitrovinylamino)ethylsulphiny
英语翻译(3S,4S)-3-[2-(2-aminothiazol-4-yl)-(Z) - 2 - carboxymeth
关于有机物的英文命名2,5-二甲基-4-(2-甲丙基)庚烷的英文命名是2,5- dimethyl-(2-methylpr
英语翻译1,2,4,5-Tetra((3-(2,2¢-bipyridin-5-yl)ethynyl)bicyc
英语翻译Borane,ethylbis(2,3,4,5-tetramethylpyrrol-1-yl)-这个呢?查字典都
已知l2x-4l+3l6+2yl=0,求下列各式的值 (1)lx+yl (2)lyl-lxl
英语翻译1-(5¢-n-Hexyl-2,2¢-bipyridin-5-yl)ethynyl-3-et
有没有人知道 2,6-二甲基-1,3,5,7-辛四烯(2,6-Dimethyl-1,3,5,7-octatetraene
请问化学试剂2-imidazole-1yl-3-ethoxycarbonyl propionic acid(IEPA)是
已知x一y=2分之3,求丨1一x+yl的值
1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3--qu