CUSIP
No. 66986X106
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13D/A
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Page
2 of 5 Pages
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1
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NAMES
OF REPORTING PERSONS
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Lindsay
A. Rosenwald, M.D.
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2
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
(b)
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3
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SEC
USE ONLY
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4
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SOURCE
OF FUNDS*
OO
(see Item 3 below)
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5
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CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO
ITEM
2(d) or 2(e)
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6
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CITIZENSHIP
OR PLACE OF ORGANIZATION
United
States
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NUMBER
OF SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON
WITH
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7
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SOLE
VOTING POWER
9,473,924
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8
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SHARED
VOTING POW-ER
0
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9
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SOLE
DISPOSITIVE POWER
9,473,924
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10
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SHARED
DISPOSITIVE POWER
0
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11
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9,473,924
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12
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CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*
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13
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PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
14.2%
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14
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TYPE
OF REPORTING PERSON*
IN
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(a) |
As
of the date hereof, the Reporting Person may be deemed to beneficially
own
9,473,924
Shares comprised of (i) 2,137,660 Shares and (ii) 7,336,264 Shares
issuable upon exercise of the common stock purchase warrants owned
directly by the Reporting Person. Such Shares constitute approximately
14.1% of the Issuer’s outstanding shares of Common Stock, based on
59,592,260 shares of Common Stock outstanding as of December 31,
2007
according to information provided by the
Company.
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Date:
February
13, 2008
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New
York, NY
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By: | /s/ Lindsay A. Rosenwald, M.D. |
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Lindsay A. Rosenwald, M.D. |
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