Darshansinh AR、Acharya GD 和 Govindkumar RV
???[2,1-b]??-2-????(1)??????????[2,1-b]??-2-???(2)??????(2 )?CS2????/KOH ??5-(??[2,1-b]??-2-?)-1,3,4-???-2(3H)-??(3)????????????????????????N-(1-((?????)??)-3-(??[2,1-b]??-2-?)- 5-??-1H-1,2,4-??-4(5H)-?)????(4a-e)????????????????????????????????????????