STUDIES ON FUSED RING SYSTEMS Ⅱ. A. REsOLUTION OF γ-(6-METHOXY-2-CARBOXY-1, 2, 3, 4-TETRAHY-DRO-l-NAPHTHYL)-BUTYRIC ACID INTOd-AND 1-ISOMERS. B. PREPARATION OF METHYL d-AND l-1-HYDROXY-2-METHYL-2. CARBOMETHOXY-7-METHOXYI-l, 2, 3, 4, 9, 10, 11, 12-OCTAHY-DRoPHE