3727380 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3727380 > 2 > ChemIDplus > 000490153 > 1,2-Cyclobutanedicarboxylic acid, 3,4-diphenyl-, bis(2-methoxycarbonyl)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester, stereoisomer 490-15-3 Bis(2-methoxycarbonyl)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl 3,4-diphenyl-1,2-cyclobutanedicarboxylate stereoisomer Isococamine beta-Truxilline delta-Isoatropylcocaine > 490-15-3 > 000490153 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=000490153 $$$$