N2

ならともかく

If it's (A), sure, but (B), Putting aside (A), (B)

No related sentences

はさておき

(Leaving or putting) aside, Apart

ではなくて

Not A but B, Conjunctive

は別として

Apart from, (Setting) aside, Whether or, Except for, Save for

ならまだしも

A is fine...but B is not, If it's ~ then it is ok...but ~ is not, It's different when...but, It's not so bad when...but