| 摘要 |
This invention relates to benzopyran compounds of formula (I) wherein X is NR, Y is a bond, SO or SO, Z is Calkyl group or phenyl group, W is hydrogen atom, hydroxy group, Calkoxy group, a halogen atom, Calkyl group or Calkylsulfonylamino group, Rand Rare independently of each other Calkyl group, Ris hydrogen atom, hydroxy group or methoxy group, m is an integer of 0 to 4, n is an integer of 0 to 4, V is a single bond, CRR, NR, O, S, SO or SO, Ris hydrogen atom or Calkyl group, Ris hydrogen atom, Calkyl group, Ccycloalkyl group, Ccycloalkenyl group, Carуl group or Cheteroaryl group. These compounds are useful as an anti-arrhythmic agent., (I) |
