SEARCH Articles Figures Tables Chemistry five- and six-membered rings Compounds containing Fused Five- and Six-Membered Rings Five- and Six-Membered Ring Alkaloids Five- and Six-Membered Unsaturated Rings Five- and Six-membered-ring Compounds Five- and six-membered rings with two Five-and Six-Membered Ring Forms Five-membered ring Fused Five- and Six-Membered Rings Involving other than five and six-membered rings Of pyrazoles condensed to heteroaromatic five- and six-membered rings Pyrazoles condensed to heteroaromatic five- and six-membered rings Rings six-member