Soft anticholinergic zwitterions of the formulas:
wherein R
1
and R
2
are both phenyl or one of R
1
and R
2
is phenyl and the other is cyclopentyl; and wherein each asterisk marks a chiral center; said compound having the R, S or RS stereoisomeric configuration at each chiral center unless specified otherwise, or being a mixture thereof.
化学式为:其中R1和R2都是苯基或者其中一个是苯基,另一个是环戊基的软性抗
胆碱能离子,每个星号表示一个手性中心;该化合物在每个手性中心具有R、S或RS立体异构构型,除非另有规定,或为混合物。