1 Institute of Chemistry, National Autonomous University of Mexico, Circuito Exterior, Ciudad Universitaria, Delegación Coyoacán C.P. 04510, México City, México.
2 School of Chemistry, National Autonomous University of Mexico, Circuito Exterior, Ciudad Universitaria, Delegación Coyoacán C.P. 04510, México City, México.
3 Semichem, Inc, 12456 West 62nd Terrace, Suite D Shawnee, Kansas, 66216, United States.