1
Methods of organic chemistry. E9C. Hetarenes IV : six-membered and larger hetero-rings with maximum unsaturation : additional and supplementary volumes to the 4th edition /
Book
2
Methods of organic chemistry. E9B,1, Hetarenes IV : six-membered and larger hetero-rings with maximum unsaturation : addiational and supplementary volumes to the 4th edition /
Book
3
Six-membered hetarenes with two unlike or more then tow heteroatoms and fully unsaturated larger-ring heterocycles /
Book