| 摘要 |
The present application discloses a compound of formula (I), a polymorph, a tautomer, an enantiomer, a stereoisomer, a solvate, or a pharmaceutically acceptable salt thereof for blocking blood stream: wherein each of R1-R6, independently, is R, nitro, nitroso, cyano, azide, isothionitro, OR, OC(O) R, OC (O) OR, OC (O) NRR', SO2R, SO3R, SO2NRR', SR, NRR', NRSO2NR'R", NRSO2R', NRSO3R', NRC (O) R', NRC (O) NR'R", NRC (O) OR', NRC (N) NR'R", C (O) R, C (O) OR, C (O) NRR'; and wherein each of R, R', and R", independently, is hydrogen, halogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, aryl, heteroaryl, cyclyl, or heterocyclyl. |
