isomers- number calculation
the ans is 12 . I identified 4 chiral centres in this (we will count N right? I always get confused in the flipping part so if someone could clear it up it'd be great).
The second part, there's locked rotation in the system right? Like even though the bridgehead carbon is chiral, we won't consider that in the count since you can't really change its config... is this correct? if so, how would we do it?
The second part, there's locked rotation in the system right? Like even though the bridgehead carbon is chiral, we won't consider that in the count since you can't really change its config... is this correct? if so, how would we do it?

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@Dexter
Note for OP
+solved @user1 @user2...
to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Why is N chiral?
i dont know very well. i just thought that maybe cuz the four groups attached to it are diff
i have trouble identifying where inversion will occur and where it won't