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Asked by Sonal13 | 2nd Dec, 2009, 10:59: AM

Expert Answer:

There are various rules dependening on the condition ,for example

1)Numbering should be start from that carbon atom from where the functional group is near.

2) Numbering should be start from that carbon atom from where the side chain become near.

3)If more than one side chain are there , numbering should be start according to lowest num rule.

Answered by  | 3rd Dec, 2009, 10:15: AM

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