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(2012/02/17)tert-butyl 1-{[9-(5-amino-2-ethoxycarbonyl)phenyl]-3-oxo-3H-xanthen-6-yloxy}-2-oxo-6,9,12-trioxa-3-azapentadecan-15-oate
Thioctic acid
2-{9-[5-amino-2-(ethoxycarbonyl)phenyl]-3-oxo-3H-xanthen-6-yloxy}aceticacid
4-amino-2-(6-tert-butoxycarbonylmethoxy-3-oxo-3H-xanthen-9-yl)-benzoic acid ethyl ester
4-amino-2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-benzoic acid ethyl ester