253336-60-6 63562-34-5 Bis(2-hydroxyethyl) (6H-dibenz(c,e)(1,2)oxaphosphorin-6-ylmethyl)succinate P-oxide Butanedioic acid, ((6-oxido-6H-dibenz(c,e)(1,2)oxaphosphorin-6-yl)methyl)-, bis(2-hydroxyethyl) ester EINECS 264-313-6