987 / | HD | ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM |
30 | DF | PHOSPHORUS COMPOUNDS (9/02; 9/06) {15} |
109 | .~ Quaternary compounds containing the structure (C)a-P-(Z)b where a+b=4, a=1-3, b=1-3, and Z is an atom other than C or H (9/54K) |