Claims
- 1. A DC-52 derivative represented by the formula: ##STR16## wherein each of R.sup.1 and R.sup.2 independently represents hydrogen or hydroxyl, X and Y are combined together to represent --O-- as --X--Y--, and Z represents carboxyl or hydroxymethyl, or pharmacologically acceptable salts thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-289565 |
Nov 1988 |
JPX |
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Parent Case Info
This application is a division of application Ser. No. 435,246 filed Nov. 13, 1989, now U.S. Pat. No. 4,992,551.
US Referenced Citations (3)
Foreign Referenced Citations (4)
Number |
Date |
Country |
262984 |
Apr 1988 |
EPX |
170189 |
Oct 1982 |
JPX |
88183 |
Jan 1988 |
JPX |
183583 |
Jul 1988 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
435246 |
Nov 1989 |
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