| abstract |
Provided is a compound, including a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein W is a direct bond or an optionally substituted C, and if W is a direct bond, then X 1 , X 2 , X 3 , and X 4 are each independently H, OH, or an electrophile, and optionally one pair selected from X 1 and X 2 , X 2 and X 3 , and X 3 and X 4 forms a five-membered ring including one or more heteroatom, wherein the one or more heteroatom is selected from O, N, and S, and the five-membered ring is optionally substituted with a =C, an =S, or an electrophile, and Y 1 , Y 2 , Y 3 , Y 4 and Y 5 are each independently selected from H, CH 3 , OH, O-CH 3 , and NO 2 , and an electrophile, and optionally Y 2 and Y 3 form a five-membered ring including one or more heteroatom, wherein the one or more heteroatom is selected from O, N, and S, and the five-membered ring is optionally substituted with a =C, =S, or an electrophile. |