Sodium borohydride → 2-[3-(hydroxymethyl)-4-[1-methyl-5-[(5-methyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-2-yl)amino]-6-oxo-3-pyridyl]-2-pyridyl]-6,7,8,9-tetrahydropyrazino[1,2-a]indol-1-one

Reaction equation

[CH:1]([C:3]1[C:4]([N:28]2[CH:40]=[CH:39][N:31]3[C:32]4[CH2:33][CH2:34][CH2:35][CH2:36][C:37]=4[CH:38]=[C:30]3[C:29]2=[O:41])=[N:5][CH:6]=[CH:7][C:8]=1[C:9]1[CH:14]=[C:13]([NH:15][C:16]2[CH:25]=[C:19]3[CH2:20][N:21]([CH3:24])[CH2:22][CH2:23][N:18]3[N:17]=2)[C:12](=[O:26])[N:11]([CH3:27])[CH:10]=1)=[O:2].[BH4-].[Na+]>CO>[OH:2][CH2:1][C:3]1[C:4]([N:28]2[CH:40]=[CH:39][N:31]3[C:32]4[CH2:33][CH2:34][CH2:35][CH2:36][C:37]=4[CH:38]=[C:30]3[C:29]2=[O:41])=[N:5][CH:6]=[CH:7][C:8]=1[C:9]1[CH:14]=[C:13]([NH:15][C:16]2[CH:25]=[C:19]3[CH2:20][N:21]([CH3:24])[CH2:22][CH2:23][N:18]3[N:17]=2)[C:12](=[O:26])[N:11]([CH3:27])[CH:10]=1