共 50 条
- [41] SOME RING-A FUSED HETEROCYCLES IN LANOSTEROL SERIES JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC, 1971, (11): : 2115 - &
- [42] GIBBERELLIC ACID .13. THE STRUCTURE OF RING-A JOURNAL OF THE CHEMICAL SOCIETY, 1960, (JUL): : 3022 - 3038
- [45] MASS FRAGMENTATION OF A RING-A AROMATIZED 6-AZASTEROID ACTA CHIMICA ACADEMIAE SCIENTARIUM HUNGARICAE, 1982, 111 (01): : 1 - 3
- [46] SYNTHESIS OF RING-A OF AMBRUTICIN AND PROOF OF ITS ABSOLUTE STEREOCHEMISTRY CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1980, 58 (20): : 2173 - 2177
- [48] SYNTHETIC APPROACH TO QUASSIN - SYNTHESIS OF A RING-A SECO DERIVATIVE CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1979, 57 (24): : 3346 - 3348
- [50] CONFORMATION OF RING-A IN 5(10),9(11)-ESTRADIENES JOURNAL OF ORGANIC CHEMISTRY, 1970, 35 (03): : 549 - &