CPC A61K 31/404 (2013.01) [A61P 25/18 (2018.01); C07D 209/16 (2013.01); C07D 209/30 (2013.01); C07D 209/32 (2013.01)] | 17 Claims |
1. A chemical compound having the formula (I):
wherein R7 is a carboxyl group and wherein R2 is a hydrogen atom, R5 or and R6 are a hydrogen atom, an alkyl group, or O-alkyl group, wherein R4 is an O-alkyl group, and wherein R3a and R3b are each independently a hydrogen atom, an alkyl group, acyl group or an aryl group.
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