Patent ID: 10123994

Abstract:
A compound of formula: or its pharmaceutically acceptable salt. L is NR2R3, SR7, SO2R8, alkyl, or alkenyl; R2 is hydrogen, alkyl, alkenyl, or alkynyl; R3 is hydrogen, alkyl, alkenyl, alkynyl; R7 is hydrogen, alkyl, alkenyl, or alkynyl; R8 is hydrogen, alkyl, alkenyl, or alkynyl, provided that R8 is not unsubstituted methyl or trifluoromethyl; Y is alkyl, alkenyl, alkynyl, aryl, provided that Y is not unsubstituted methyl or unsubstituted ethyl; Z is —CR6═, or —N═; R1 is hydrogen, or alkyl; R4, R5 and R6 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, alkyl, alkenyl, or alkynyl.