%0 Journal Article %T Catalyst-free Facile Synthesis of Novel Fused Spiro[benzo[4,5]thiazolo[3,2-a]pyrano[2,3-d]pyrimidine-4,3'-indoline]-3-carbonitrile Derivatives via One-pot Three-Component Reaction %A Khalili, Maryam %A Esmaeili, Abbas Ali %J Organic Preparations and Procedures International %@ 0030-4948 %D 2022