(S)–N6–[[56–[26–(26–AMINO6–4,6,7,86–TETRAHYDRO6–46–OXO6–1H6– PYRIMIDO[5,4–B][1,4]THIAZIN–6–YL)ETHYL]–2–THIENYL] CARBONYL]–L–GLUTAMIC ACID.

SEC. 2180. (S)–N6–[[56–[26–(26–AMINO6–4,6,7,86–TETRAHYDRO6–46–OXO6–1H6– PYRIMIDO[5,4–B][1,4]THIAZIN–6–YL)ETHYL]–2–THIENYL] CARBONYL]–L–GLUTAMIC ACID. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.32.39 (S)–N–[[5–[2–(2–Amino–4,6,7,8–tetrahydro–4–oxo–1H–pyrimido[5,4–b][1,4]thiazin–6–yl)ethyl]–2–thieny1] carbonyl]–L–glutamic acid (CAS No. 177575–17–6) (provided for in subheading 2934.90.90) ............... Free No change No change On or before 12/31/2001 ”.