CPC C07F 9/65746 (2013.01) [B01J 31/185 (2013.01); B01J 2231/321 (2013.01); B01J 2531/821 (2013.01); B01J 2531/822 (2013.01); B01J 2531/827 (2013.01); B01J 2531/845 (2013.01)] | 10 Claims |
1. A compound having structure (I):
where R1 and R3 are selected from: —H, —(C1-C12)-alkyl or —O—(C1-C12)-alkyl and where R2 and R4 are selected from: —H or —O—(C1-C12) alkyl.
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