Compounds having the formula <IMAGE> (I) wherein R and R1 may be H or COCH3 provided that when R1 is COCH3, R is COCH3 are described.
申请公布号
US5276055(A)
申请公布日期
1994.01.04
申请号
US19920963178
申请日期
1992.10.19
申请人
MERCK & CO., INC.
发明人
CABELLO, ANGELES;HARRIS, GUY;GIACOBBE, ROBERT A.;HELMS, GREGORY L.;HENSENS, OTTO D.;MANDALA, SUZANNE M.;JONES, E. TRACY T.;MARTIN, ISABEL;ROZDILSKY, WALTER
