Claims
- 1. A compound of the formula ##STR14## wherein Hal is a halogen and R.sub.1 and R.sub.2 are individually alkyl of 1 to 12 carbon atoms.
Priority Claims (1)
Number |
Date |
Country |
Kind |
81 03832 |
Feb 1981 |
FRX |
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Parent Case Info
This is a division of Ser. No. 536,888 filed 9/28/83, now abandoned which in turn is a division of U.S. patent Ser. No. 352,257 filed 2/25/82, now U.S. Pat. No. 4,421,928.
US Referenced Citations (3)
Divisions (2)
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Number |
Date |
Country |
Parent |
536888 |
Sep 1983 |
|
Parent |
352257 |
Feb 1982 |
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