- 1′-(3-Butyryloxy-N-succinimide)-3’,3′-dimethyl-6-nitrospiro[2H-1]benzopyran-2,2′-indoline,98%, 25mg
- 1′-(3-Butyryloxy-N-succinimide)-3’,3′-dimethyl-6-nitrospiro[2H-1]benzopyran-2,2′-indoline,98%, 10mg