Fig. 2.
![Fig. 2. Structure of indolinones. / Structures of SU11652 (5-[(Z)-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-N-[2-(diethylamino)ethyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide), SU11654 (5-[(Z)-(5-fluoro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-N-(2-pyrrolidin-1-ylethyl)-1H-pyrrole-3-carboxamide), and SU11655 (5-[(Z)-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-N-(2-pyrrolidin-1-ylethyl)-1H-pyrrole-3-carboxamide) are shown.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/100/2/10.1182_blood-2001-12-0350/6/h81422854002.jpeg?Expires=1724238588&Signature=YVDxHvekZETPWwrG3tNu6ov1Mdv5ywPkVU9Q-RSfM-cBVsYKREwSzhWDWOExFbKET8zVU~SXe8t3VhpgkL8eVx3LNBjJ7qlIb-hQglM4Lw~cQmLF7ga4N3fWAGjqtJb42GRCCWJzxPBI90ZgQzWwpV3CSJ9rWGnblQoYQSwuyjVc6jxhmkg8w8zogv1V48s0lsg84hZgVh7PmyAXx0UWc2EZGjyHbUdshtSAOZwxbe8BRG72ofpFDdFg7uCW2z3kIr~hljJeqpjBTrKcezwMXBTxeVlNetlA~xbo9R25siLxRU6b5tgIq8maGs7Mq8wusvw9qRRXEjMri9Af3wNYeQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Structure of indolinones.
Structures of SU11652 (5-[(Z)-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-N-[2-(diethylamino)ethyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide), SU11654 (5-[(Z)-(5-fluoro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-N-(2-pyrrolidin-1-ylethyl)-1H-pyrrole-3-carboxamide), and SU11655 (5-[(Z)-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-N-(2-pyrrolidin-1-ylethyl)-1H-pyrrole-3-carboxamide) are shown.
