Patent ID: 11957687
Assignee: REGENERON PHARMACEUTICALS, INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 6:
7. A compound according to formula (VIIa):, or a pharmaceutically acceptable salt thereof, wherein:
r is from 1 to 4;
R7 is independently at each occurrence halogen, —CN, ═O, —OH, —(CH2)1-3—OR#, —NH—(C═O)—R*, —NH—(SO2)—R*, —(CH2)1-3—NR#2, —NHR#, —N(R#)2, C1-4 alkoxy, phenoxy, C1-12 alkyl, C1-12 alkenyl, C1-4 haloalkyl, or C6-12 aryl, any of which is optionally substituted with R*;
R* is halogen, —OH, C1-3 alkyl, C1-3 haloalkyl, phenyl, or benzyl, any of which is optionally substituted with a halogen;
R# is C1-3 alkyl, C1-3 haloalkyl, C3-6 cycloalkyl, phenyl, or benzyl, any of which is optionally substituted with a halogen; and
B is benzyl or C1-12 alkyl optionally comprising 1-4 O atoms, either of which is optionally substituted by —OH or —OCH, wherein:
when B is C1-4 alkyl, then R7 is not —Cl, —F, —CN, C1-4 alkyl, or C1-4 alkoxy.