Claims
- 1. A compound having the formula: ##STR6## wherein R=an alkyl group having 1-4 carbon atoms, R'=an alkyl group having 1-4 carbon atoms, R"=an alkylene group having 1-6 carbon atoms, and n=0, 1, or 2.
- 2. A compound having the formula: ##STR7## wherein R=an alkyl group having 1-4 carbon atoms, R'=an alkyl group having 1-4 carbon atoms, R"=an alkylene group having 1-6 carbon atoms, and n=0, 1, or 2.
- 3. A compound of the formula: ##STR8## wherein Et is ethyl.
- 4. A compound of the formula: ##STR9## wherein Me is methyl.
Parent Case Info
This is a divisional of co-pending application Ser. No. 07/234661 filed on Aug. 19, 1988, now U.S. Pat. No. 4,906,399.
Non-Patent Literature Citations (1)
Entry |
Lohmann et al, Chemical Abstracts, vol. 93 (1980) 114694d. |
Divisions (1)
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Number |
Date |
Country |
Parent |
234661 |
Aug 1988 |
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