Claims
- 1. A compound of the formula ##STR29## wherein R is a straight or branched chain alkyl group having 1-12 carbon atoms; R.sub.1 is a lower alkyl group having 1-6 carbon atoms; and R.sub.2 is hydrogen or a lower alkyl group having 1-6 carbon atoms.
- 2. The compound of claim 1 wherein R is propyl, R.sub.1 is methyl and R.sub.2 is ethyl.
- 3. The compound of claim 1 wherein R is pentyl, R.sub.1 is methyl and R.sub.2 is ethyl.
Parent Case Info
This is a division of application Ser. No. 141,524, filed Apr. 18, 1980, now U.S. Pat. No. 4,322,353.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
141524 |
Apr 1980 |
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