The key of double Inverse Scatterning Method lies in the finding of a proper double complex wave function, but previous wave functions are all diagonal and they have some kind of limitation.
二重逆散射方法的关键是求其合适的“二重波函数”，以前的波函数都是对角的并具有局限性。
2
The key reactions included the formation of 9, 15-cyclopropyl function and double bond migration in the a ring to reestablish the GA skeleton.