CAS No 1403-29-8 , 1-Naphthalenecarboxylicacid, 3-methoxy-5-methyl-,(1S)-2-[[(1E)-1-[(3R,4R,5S)-3-(acetyloxy)-4-hydroxy-1-azabicyclo[3.1.0]hex-2-ylidene]-2-[[(1Z)-1-(hydroxymethylene)-2-oxopropyl]amino]-2-oxoethyl]amino]-1-[(2S)-2-methyloxiranyl]-2-oxoethylester