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关于有机物的命名,现在我国执行的是1980年公布的“最低系列原则”,为与国际命名接轨,摒弃了源于前苏联1960年公布的旧《原则》中的“序号之和最小原则”。最低系列原则是:给主链编号从哪一端开始,要以支链位号最小为原则,如果有多个支链时,可从不同端点编号,然后将位号逐位对比,最早出现差别的那位数中,取位号小的那种编号法编号。
Regarding the nomenclature of organic substances, our country now implements the “Minimum Series Principles” promulgated in 1980. It is in line with international nomenclature and rejects the “minimum principle of summation of serial numbers” from the old “Principles” promulgated by the former Soviet Union in 1960. The principle of the lowest series is: to start with the end of the main chain number, the principle is to minimize the number of branches, if there are multiple branches, they can be numbered from different endpoints, and then compare the bit numbers bit by bit, the earliest difference Among those digits, the numbering number with the smallest digit is used.