Robotnikinin. A small-molecule chemical inhibitor of Sonic hedgehog (Shh) signaling, Synonyms:-N-[(4-Chlorophenyl)methyl]-2-[(2R,6S,8E)-5, 12-dioxo-2-phenyl-1-oxa-4-azacyclododec-8-en-6-yl]acetamide, CAS Number:-1132653-79-2, Molecular Formula:-C2GH2GClN2OG, Purity:-G97% by NMR, 1mg.