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![2-chloro-1,3-bis[(4-chlorophenyl)methyl]-1,3-diaza-2$l^C17H18Cl3N2OP-phosphacyclohexane 2-oxide Structure](https://image.chemsrc.com/caspic/090/6533-30-8.png)
![1H-Azepine,1-[[1,3-bis[(4-chlorophenyl)methyl]tetrahydro-2-oxido-1,3,2-diazaphosphorin-1(2H)-yl]phosphinyl]hexahydro- Structure](https://image.chemsrc.com/caspic/101/14992-07-5.png)
![1,3,2-Diazaphosphorin-2(1H)-amine,N-(2-chloroethyl)-1,3-bis[(4-chlorophenyl)methyl]tetrahydro-, 2-oxide Structure](https://image.chemsrc.com/caspic/318/14745-89-2.png)