Claims
- 1. A compound of the formula ##STR26## or a salt thereof each cation of which is non-chromophoric, wherein each R.sub.1d is acetamido or methyl, the two R.sub.1d 's being identical, and
- each R.sub.3e is chloro or 2,3-dihydroxypropylamino, the two R.sub.3e 's being identical.
- 2. The compound according to claim 1 having the formula ##STR27## or a salt thereof each cation of which is non-chromophoric.
- 3. A sodium salt of the compound according to claim 2.
- 4. The compound according to claim 1 having the formula ##STR28## or a salt thereof each cation of which is non-chromophoric.
- 5. A sodium salt of the compound according to claim 4.
- 6. The compound according to claim 1 having the formula ##STR29## or a salt thereof each cation of which is non-chromophoric.
- 7. A sodium salt of the compound according to claim 6.
- 8. The compound of the formula ##STR30## or a salt thereof each cation of which is non-chromophoric.
- 9. A sodium salt of the compound according to claim 8.
- 10. The compound according to claim 1 having the formula ##STR31## or a salt thereof each cation of which is non-chromophoric.
- 11. A sodium salt of the compound according to claim 10.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3149140 |
Dec 1981 |
DEX |
|
Parent Case Info
This application is a continuation of Ser. No. 06/448,679 filed Dec. 10, 1982 and now abandoned.
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Continuations (1)
|
Number |
Date |
Country |
Parent |
448679 |
Dec 1982 |
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