methyl 5-[N-({6-amino-5-[(3-aminophenyl)ethynyl]pyridin-3-yl}carbonyl)-S-methylsulfonimidoyl]pentanoate 、
间甲基苯甲酸 以to give the title compound as a white foam (82 mg)的产率得到methyl 5-(N-{[6-amino-5-({3-[(3-methylbenzoyl)amino]phenyl}ethynyl)pyridin-3-yl]carbonyl}-S-methylsulfonimidoyl)pentanoate