2'-Chloro-6'-(dimethylamino)-3'-methylspiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one 21121-62-0 57087-74-8 EINECS 244-222-8 Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2'-chloro-6'-(diethylamino)-3'-methyl-