[chem] progress on amino acid structural diagram

diff --git a/spec/spec-collated.pdf b/spec/spec-collated.pdf
index 881e8cce35bb330f82ec6766966659220694407e..705bf5d3a644d3e2067a96414ca760834bd1e307 100644 (file)
Binary files a/spec/spec-collated.pdf and b/spec/spec-collated.pdf differ