53813-58-4 1,2,3-Diazaphosphorine-4,5-dicarboxylic acid,3,3,3,6-tetrahydro-3,3,3,6,6-pentaphenyl-, dimethyl ester 61912-73-0 6,20,21,25-tetramethoxy-15,30-dimethyl-23-oxa-15,30-diazaheptacyclo[22.6.2.1~3,7~.1~8,12~.1~14,18~.0~22,33~.0~27,31~]pentatriaconta-3(35),4,6,8(34),9,11,18(33),19,21,24,26,31-dodecaen-9-ol 15-oxide (non-preferred name)