for the following products
(R)-(-)-(3,5-Dioxa-4-phospha-cyclohepta[2,1-a3,4-a']dinaphthalen-4-yl)dimethylamine | (R)-(-)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl)dimethylamine | (R)-N,N-Dimethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine | R-Monophos and (R)-(-)-[4-N,N-Dimethylamino]dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin
