3',7'-Bis(cyclopropylmethyl)spiro(cyclopentane-1,9'-(3,7)diazabicyclo(3.3.1)nonane) 90961-53-8 KC 8857 Spiro(cyclopentane-1,9'-(3,7)diazabicyclo(3.3.1)nonane), 3',7'-bis(cyclopropylmethyl)- Tedisamil Tedisamil [INN] Tedisamilum [INN-Latin]