申请人:BOSTON BIOMEDICAL, INC.
公开号:US20180111914A1
公开(公告)日:2018-04-26
The present invention provides compounds represented by formula (1A), or pharmaceutically acceptable salts. Compounds represented by formula (1A), or pharmaceutically acceptable salts thereof, wherein A
1
and A
2
are identical or different, and each independently —C(═O) B, —C(═O)CR
3A
R
3B
B, —CO
2
B, —C(═S)OB, —CONR
3C
B, —C(═S)NR
3C
B, a hydrogen atom, or the like, wherein A
1
and A
2
are not both hydrogen atoms, wherein B is an optionally substituted 3- to 12-membered monocyclic or polycyclic heterocyclic group, an optionally substituted 3- to 12-membered cyclic amino group, or a group represented by the following formula (B), wherein the 3- to 12-membered monocyclic or polycyclic heterocyclic group and the 3- to 12-membered cyclic amino group have at least one or more secondary nitrogen atoms in the ring; R
1
is a hydrogen atom or the like; R
2A
, R
2B
, R
2C
, and R
2D
are identical or different, and each independently a hydrogen atom or the like; and R
8
is alkyl.
wherein * denotes a bonding position.