Patent ID: 11919918
Assignee: BEIJING TIDE PHARMACEUTICAL CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 2:
3. The method according to claim 1, wherein R1, R2, R3 and R6 are each independently selected from the group consisting of H, F, Cl, Br, I, —CN, —NH2, —OH, —SH, —Se—CH3, —Si(CH3)3, —CH2NH2, —CH2NHCH3, —CH2N(CH3)2, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, vinyl, propenyl, allyl, ethynyl, propynyl, trifluoromethyl, acetyl, —C(═O)OH, —C(═O)NH2, —C(═S)NH2, —C(═NH)NH2, —NHCH3, —NHCH2CH3, —NHCH2CF3, —N(CH3)2, —N(CH3)(C2H5), —N(C2H5)2, —NHCH2CH2OH, —NH—C(═O)CH3, —NH—C(═O)CH═CH2, methoxy, ethoxy, propoxy, phenyl, —NH—C(═O)—NH2, —NH—C(═O)OCH3, —SCH3, —SCH2CH3, —SC(CH3)3, —SBn, —S(═O)CH3, —S(═O)Bn, —S(═O)2CH3, —S(═O)2Bn, —S(═O)2NH2, —S(═O)2NHCH3, —S(═O)2N(CH3)2, —S(═O)(═NH)CH3, —P(═O)(CH3)2, —P(═O)(C2H5)2,,