A pyridine compound having a SF5 group on position-3 and position-4 of a pyridine ring is provided. Pentafluorosulfanyl pyridine represented by formula (d): wherein a SF5 group binds to either one of position-3 or position-4 of a pyridine ring, and R2 binds to the other one of position-3 or position-4; and R1, R2, R3, and R4 are independently a hydrogen atom, a halogen atom, a substituted or non-substituted alkyl group having 1 to 18 carbon atoms, a substituted or non-substituted aryl group having 6 to 30 carbon atoms, a nitro group, a cyano group, a substituted or non-substituted alkanesulfonyl group having 1 to 18 carbon atoms, a substituted or non-substituted arenesulfonyl group having 6 to 30 carbon atoms, a substituted or non-substituted alkoxy group having 1 to 18 carbon atoms, a substituted or non-substituted aryloxy group having 6 to 30 carbon atoms, an acyloxy group having 1 to 18 carbon atoms, a substituted or non-substituted alkanesulfonyloxy group having 1 to 18 carbon atoms, a substituted or non-substituted arenesulfonyloxy group having 6 to 30 carbon atoms, a substituted or non-substituted alkoxycarbonyl group having 2 to 18 carbon atoms, a substituted or non-substituted aryloxycarbonyl group having 7 to 30 carbon atoms, a substituted carbamoyl group having 2 to 18 carbon atoms, a substituted amino group having 1 to 18 carbon atoms, an amino group, an azide group, a substituted or non-substituted aralkyloxy group having 7 to 30 carbon atoms, a substituted or non-substituted aralkylsulfide group having 7 to 30 carbon atoms, or a SF5 group.