Claims
- 1. A compound having the structure: ##STR25## wherein A is the moiety: ##STR26## and wherein R.sub.b and R.sub. b ' separately are the same or different lower alkyl.
- 2. The compound of claim 1 wherein R.sub.b and R.sub. b ' are each ethyl.
- 3. A compound having the structure: ##STR27##
Parent Case Info
This application is a continuation-in-part of applicants' copending application Ser. No. 507,542, filed on Sept. 19, 1974, which, in turn is a division of applicants' parent application Ser. No. 283,632 filed on Aug. 25, 1972, now U.S. Pat. No. 3,862,340 issued on Jan. 21, 1975.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3829504 |
Hall et al. |
Aug 1974 |
|
3879425 |
Hall et al. |
Apr 1975 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
283632 |
Aug 1972 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
507542 |
Sep 1974 |
|