3-甲基马尿酸

2-[(6-chloronaphthalen-2-yl)sulfonylamino]acetic acid

2-氨基-3,3-二苯基丙酸盐酸盐

2-(3,4-dihydro-2H-pyrrol-5-ylamino)acetic acid

N-丁基吡咯烷-3-羧酸