LY-341495 1MG. LY-341495, CAS Number: 201943-63-7, Molecular Formula: C20H19NO5, Molecular Weight: 353. 37, Purity: greater than or equal to 98% by HPLC, Appearance: Off-white solid, Synonym: 2S)-2-Amino-2-[(1S, 2S)-2-carboxycycloprop-1-yl]-3-(xanth-9-yl) propanoic acid, Size: 1MG