8'-Chloro-2',3'-dihydrospiro(pyrrolidine-3,6'(5'H)-pyrrolo(1,2,3-de)(1,4)benzoxazine)-2,5,5'-trione 99434-90-9 Adn 138 Adn-138 Spiro(pyrrolidine-3,6'(5'H)-pyrrolo(1,2,3-de)(1,4)benzoxazine)-2,5,5'-trione, 8'-chloro-2',3'-dihydro-