CPC A61K 31/27 (2013.01) [A61K 9/0019 (2013.01); A61K 31/192 (2013.01); A61K 31/216 (2013.01); A61K 31/222 (2013.01); A61K 31/265 (2013.01); A61K 31/335 (2013.01); A61P 9/12 (2018.01)] | 6 Claims |
1. A compound having the formula:
wherein X is OH, R2 and R3 are the same and are
wherein Y is NR4R5, wherein each of R4 and R5 is independently selected from H and C1-4 alkyl.
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