Spiro[1,3-dioxolane-2,3'-[3H]indol]-2'(1'H)-one, 5'-bromo-;5-Bromospiro[indoline-3,2'-[1,3]dioxolan]-2-one;5’-Bromospiro[[1,3]dioxolane-2,3’-indolin]-2’-one;5''-BROMOSPIRO[1,3-DIOXOLANE-2,3''-INDOL]-2''(1''H)-ONE;5'-Bromospiro[1,3-dioxolane-2,3'-indol]-2'(1'H)-one;5′-Bromospiro[1,3-dioxolane-2,3′-indol]-2′(1′H)-one, CAS 75822-54-7