The deutero’s are never, ever, not once quoted in such a way as to lead someone to believe that any of the NT authors believed them to be inspired. There aren’t even that many quotes…if any…some allusions at best perhaps?
Which version or manuscript of the LXX did Jesus and the apostles use? If you don’t know the answer to this question, how do you know which books were contained within the version they were using?
PART TWO
1 Cor. 2:16 - Paul’s question, “who has known the mind of the Lord?” references Wisdom 9:13.
1 Cor. 6:12-13; 10:23-26 - warning that, while all things are good, beware of gluttony, follows Sirach 36:18 and 37:28-30.
1 Cor. 8:5-6 - Paul acknowledging many “gods” but one Lord follows Wis. 13:3.
1 Cor. 10:1 - Paul’s description of our fathers being under the cloud passing through the sea refers to Wisdom 19:7.
1 Cor. 10:20 - what pagans sacrifice they offer to demons and not to God refers to Baruch 4:7.
1 Cor. 15:29 - if no expectation of resurrection, it would be foolish to be baptized on their behalf follows 2 Macc. 12:43-45.
Eph. 1:17 - Paul’s prayer for a “spirit of wisdom” follows the prayer for the spirit of wisdom in Wisdom 7:7.
Eph. 6:14 - Paul describing the breastplate of righteousness is the same as Wis. 5:18. See also Isaiah 59:17 and 1 Thess. 5:8.
Eph. 6:13-17 - in fact, the whole discussion of armor, helmet, breastplate, sword, shield follows Wis. 5:17-20.
1 Tim. 6:15 - Paul’s description of God as Sovereign and King of kings is from 2 Macc. 12:15; 13:4.
2 Tim. 4:8 - Paul’s description of a crown of righteousness is similar to Wisdom 5:16.
Heb. 4:12 - Paul’s description of God’s word as a sword is similar to Wisdom 18:15.
Heb. 11:5 - Enoch being taken up is also referenced in Wis 4:10 and Sir 44:16. See also 2 Kings 2:1-13 & Sir 48:9 regarding Elijah.
Heb 11:35 - Paul teaches about the martyrdom of the mother and her sons described in 2 Macc. 7:1-42.
Heb. 12:12 - the description “drooping hands” and “weak knees” comes from Sirach 25:23.
James 1:19 - let every man be quick to hear and slow to respond follows Sirach 5:11.
James 2:23 - it was reckoned to him as righteousness follows 1 Macc. 2:52 - it was reckoned to him as righteousness.
James 3:13 - James’ instruction to perform works in meekness follows Sirach 3:17.
James 5:3 - describing silver which rusts and laying up treasure follows Sirach 29:10-11.
James 5:6 - condemning and killing the “righteous man” follows Wisdom 2:10-20.
1 Peter 1:6-7 - Peter teaches about testing faith by purgatorial fire as described in Wisdom 3:5-6 and Sirach 2:5.
1 Peter 1:17 - God judging each one according to his deeds refers to Sirach 16:12 - God judges man according to his deeds.
2 Peter 2:7 - God’s rescue of a righteous man (Lot) is also described in Wisdom 10:6.
Rev. 1:4 – the seven spirits who are before his throne is taken from Tobit 12:15 – Raphael is one of the seven holy angels who present the prayers of the saints before the Holy One.
Rev. 1:18; Matt. 16:18 - power of life over death and gates of Hades follows Wis. 16:13.
Rev. 2:12 - reference to the two-edged sword is similar to the description of God’s Word in Wisdom 18:16.
Rev. 5:7 - God is described as seated on His throne, and this is the same description used in Sirach 1:8.
Rev. 8:3-4 - prayers of the saints presented to God by the hand of an angel follows Tobit 12:12,15.
Rev. 8:7 - raining of hail and fire to the earth follows Wisdom 16:22 and Sirach 39:29.
Rev. 9:3 - raining of locusts on the earth follows Wisdom 16:9.
Rev. 11:19 - the vision of the ark of the covenant (Mary) in a cloud of glory was prophesied in 2 Macc. 2:7.
Rev. 17:14 - description of God as King of kings follows 2 Macc. 13:4.
Rev. 19:1 - the cry “Hallelujah” at the coming of the new Jerusalem follows Tobit 13:18.
Rev. 19:11 - the description of the Lord on a white horse in the heavens follows 2 Macc. 3:25; 11:8.
Rev. 19:16 - description of our Lord as King of kings is taken from 2 Macc. 13:4.
Rev. 21:19 - the description of the new Jerusalem with precious stones is prophesied in Tobit 13:17.
Exodus 23:7 - do not slay the innocent and righteous - Dan. 13:53 - do not put to death an innocent and righteous person.
1 Sam. 28:7-20 – the intercessory mediation of deceased Samuel for Saul follows Sirach 46:20.
2 Kings 2:1-13 – Elijah being taken up into heaven follows Sirach 48:9.
I am sure I can find more if you like. However I get the feeling nothing will satisfy you. In you fallible beliefs you feel that the CC is wrong, so there is no convincing you. But I will continue to search for the answer.