4.7
[1]. Joshua C Yoburn, et al. Chemoselective arylamidine cyclizations: mild formation of -arylimidazole-4-carboxylic acids. Org Lett. 5 Aug 18;7(17):81-.
H7-H+H1+H-H15-H1-H5
P1-P6-P64-P8-P1+P+P1-P+P61+P5-P4+P4-P5+P51+P8-P6-P7+P78-P4-P45-P51
GHS7
4