Five-membered heterocycles with more than one

Furan and its benzo derivatives 97PF1C117, 98PF1C129, 99PF1C144. Thiophenes, selenophenes, andtellurophenes 97PF1C77,98PF1C87,99PF1C102. Five-membered heterocycles with more than one N atom 97PF1C148,... 

Five-membered heterocycles with more than one N atom 89PHC143 90PHC102 91PHC124 92PHC107 93PHC143. 

Section 3.1 is a brief overview Section 3.2 deals with six-membered heterocycles, including those with more than one heteroatom in the ring Section 3.3 deals with five-membered heterocycles with one heteroatom Section 3.4 deals with five-membered heterocycles with more than one heteroatom in the ring Section 3.5 covers small (three- and four-membered) and large (>six) ring heterocycles. 

Table 34 Operating Conditions for GLC Separation of Five-membered Heterocycles with More Than One Heteroatom" ...

III. Dewar Isomers of Five-Membered Heterocycles with More than One... 

Fluorine-Containing Five-Membered Heterocycles with More Than One Heteroatom... 

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