1-Cyclopropylthiourea

(S)-2-Methylpyrrolidine-2-carboxylic acid

α-甲基-L-脯氨酸

4-甲基吗啉-2-甲胺, (4-methylmorpholin-2-yl)methanamine

(2R,4S)-4-Hydroxypyrrolidine-2-carboxylic Acid

反式-4-羟基-D-脯氨酸

2-Amino-2-ethylbutanoic acid

2-氨基-2-乙基丁酸

2-甲基-2H-吲唑, 2-Methyl-2H-indazole

2-(Methylamino)nicotinonitrile

2,3-Dihydroxybenzonitrile

2,3-二羟基苯腈

2,4-dihydroxybenzonitrile

2,4-二羟基苯腈

4-Hydroxy-2-oxo-1,2-dihydropyridine-3-carbonitrile

1-(Bicyclo[2.2.1]hept-5-en-2-yl)ethanone

5-乙酰基-2-降冰片烯