methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2-S-acetyl-3,5-dideoxy-2-thio-D-glycero-α-D-galacto-non-2-ulopyranosylonate

羰基硫

acetic acid,(2S)-octan-2-ol

S-苯基硫代乙酸酯

S-(4-cyanophenyl) benzenecarbothioate