Trilaciclib

Chemical Name: 2'-((5-(4-Methylpiperazin-1-yl)pyridin-2-yl)amino)-7',8'-dihydro-6'H-spiro[cyclohexane-1,9'-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidin]-6'-one

Smile: O=C1NCC2(N3C1=CC4=CN=C(NC5=NC=C(N6CCN(C)CC6)C=C5)N=C43)CCCCC2