Chemical Name: 3,8,12,17,21,26,30,35-octaoxa-1,10,19,28(1,4)-tetrabenzenacyclohexatriacontaphan-2,9,11,18,20,27,29,36-octaone
Synonym: (S)-bupivacaine
Smile: O=C(OCCCCOC(C1=CC=C(C(OCCCCOC(C2=CC=C3C=C2)=O)=O)C=C1)=O)C4=CC=C(C(OCCCCOC(C5=CC=C(C(OCCCCOC3=O)=O)C=C5)=O)=O)C=C4