Nicorandil Tetramer

Chemical Name: 1-(2-(1-(2-(Nicotinamido)ethyl)pyridin-1-ium-3-carboxamido)ethyl)-3-((2-(4-((2-(nitrooxy)ethyl)carbamoyl)pyridin-1-ium-1-yl)ethyl)carbamoyl)pyridin-1-ium

Smile: O=C(C1=C[N+](CCNC(C2=CN=CC=C2)=O)=CC=C1)NCC[N+]3=CC=CC(C(NCC[N+]4=CC=C(C(NCCON(=O)=O)=O)C=C4)=O)=C3