SEARCH Articles Figures Tables 3- Membered rings three heteroatoms 5-Membered rings heteroatoms APPLICATIONS OF THREE-MEMBERED RINGS WITH TWO HETEROATOMS Heteroatomic Rings Heteroatoms, three-membered Heteroatoms, three-membered ring opening with REACTIVITY OF THREE-MEMBERED RINGS WITH TWO HETEROATOMS STRUCTURE OF THREE-MEMBERED RINGS WITH TWO HETEROATOMS SYNTHESIS OF THREE-MEMBERED RINGS WITH TWO HETEROATOMS Six-Membered Rings with Three Heteroatoms Three heteroatoms Three-Membered Rings with One Heteroatom Three-membered Three-membered rings Three-membered rings with two heteroatoms