Simvastatin Acid Ammonium Salt 

Chemical Name: l5-azanyl (3R,5R)-7-((1S,2S,6R,8S,8aR)-8-((2,2-dimethylbutanoyl)oxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-3,5-dihydroxyheptanoate

Smile: [H][C@@]1([C@H]([C@H](C=C2)C)CC[C@@H](O)C[C@H](CC(O[NH4])=O)O)C2=C[C@@H](C[C@@H]1OC(C(C)(CC)C)=O)C