Patent ID: 8053435

Claim:
A naphthalenyloxypropenyl derivative of formula (1) or its pharmaceutically acceptable salt: wherein, R 1 is substituted or unsubstituted C 1-6 alkyl with one or more substituents selected from the group consisting of diC 1-3 alkylamino, pyrrolidinyl, oxopyrrolidinyl, methoxypyrrolidinyl, C 1-3 alkylpiperidinyl, morpholinyl, imidazolyl, methoxy, ethoxy, tetrahydrofuranyl, C 3-8 cycloalkenyl, furanyl, thiophenyl, fluorophenyl, diC 1-3 alkylaminophenyl and methoxyphenyl; piperidinyl substituted with C 1-6 alkyl; or C 3-8 cycloalkyl.