(alkyl) amino; or R4 and R5 together with the carbon to which they are attached form a cycloalkyl ring; R6 is hydrogen, alkyl, alkoxyalkyl, alkyl... MD Soll,LE HIR,SK Huber,... 被引量: 0发表: 2019年 New fredericamycin derivatives are topoisomerase I inhibitors useful to treat tumor...
Aluminum trichloride is often found in the form of (AlCl3)2, in which, the hybrid mode of the atomic orbital of Al and the type of bond of Al-Cl-Al is respectively ( ) A. sp2,three-center four-electron chloride bridge bond B. sp2,three-center three-electron chloride bridge bond ...