1. Claim 1: pyridine compound (1) with formula characteristics,R1 is equation (2)；R739，R696 was selected independently；a. C8222323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323c8321c8321c83231； （c）C8321232323232323183318323232323232323232323232323232323232323232323232323232323-Halocalcoxic，C8323232323232323232323232323232323232323232323232323232323232323232323232323183318383232323232323232323232323232323232318318318331833183318331838323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323238.AMINO，Di（C832131）；(c) C83323 3-832 2-6 countdown 2-6-832323 231833-quilo, c8333 33 3 3 3-6 [1 - (c83321)； e； 23232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323232323e. 26-alcoxi, c8322332626-cycloquil-c83312832683268axoxy, fenilo, isopropene with 5-6 members, and isopropene with 3-6 members； There, the periodic r739 and r696 groups are,Independent of each other,e. Not replaced or replaced by r74977；o R739y R696；Combined with carbon, they can form a saturated or partially unsaturated carbon cycle consisting of three to five members, co
