Ethyltriphenylphosphonium bromide (CAS NO : 1530-32-1)

CC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

InChI=1S/C20H20P.BrH/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20;/h3-17H,2H2,1H3;1H/q+1;/p-1

C20H20BrP