Contains Two Or More P Atoms (9/38b) Patents (Class 987/163)

Two or more (c)-p(=) (x) (x) (x) or at least one (x) (x) (x=)-p-(c)-p-(=x) (x) (x) group (9/38a6; 9/30a6+j; 9/38a6+u) (Class 987/164)

There are no patents to show for this class.