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Surugatoxin.svg validSVG Skeletal formula of surugatoxin Created using acdlabs html ACD inkscape org Inkscape and vim org vim Own work after cite journal Inoue Okada Tanino Hashizume Kakoi Total synthesis of surugatoxin Tetrahedron and cite journal Tanino Hashizume Kakoi Okada Inoue Model Experiments on Surugatoxin