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- [3] TOWARD THE SYNTHESIS OF TETRACYCLINE RING-A ANALOGS CANADIAN JOURNAL OF PHARMACEUTICAL SCIENCES, 1978, 13 (04): : 102 - 102
- [6] SYNTHESIS OF RING-A GIBBERELLINS BY PHOTOCHEMICAL CYCLOADDITION PHARMAZIE, 1975, 30 (12): : 813 - 813
- [7] CONFORMATIONAL COUPLING BETWEEN RING-A AND RING-B IN ISOBACTERIOCHLORINS ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1981, 20 (02): : 211 - 212
- [9] SYNTHESIS OF KAURANE DERIVATIVES WITH AN OXYGEN FUNCTION IN RING-A AGRICULTURAL AND BIOLOGICAL CHEMISTRY, 1972, 36 (13): : 2539 - 2546