3823317 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3823317 > 2 > ChemIDplus > BW9870000 > NIOSH/BW9870000 > 4,4'-(2-Butyn-1,4-ylenedioxy)dianiline bis(methanesulfonate) Aniline, 4,4'-(2-butyn-1,4-ylenedioxy)di-, bis(methanesulfonate) BW9870000 M & B 2616 > BW9870000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=BW9870000 $$$$