Fingerprint Dive into the research topics of 'Two tricyclic adducts from consecutive additions of dimethyl acetylene-dicarboxylate to 2,4-di-t-butyl-3a,5a-dihydro-3H-cyclobuta[b]pyrrole: A novel formation of cyclobuta[1',2'-f]pyrrolo-[1,2-b]oxazine derivative'. Together they form a unique fingerprint.