All you need is some orientation

A celebrity in the field of Biochemistry, and a knight to boot,

this man X created a technique which has something to do with pic1. The technique is thusly, named after him. Let’s call it X1.

sir_biochemist

sir_biochemist

structure_pic1

structure_pic1

Now, the prankster scientists in the field started naming other techniques as a pun on X1.

So, a technique based on pic2 was called Y ( which had some relevance in naming, in fact)
and one based on pic3 was called Z ( no connection whatsoever, done just for kicks) and so on.
The list continues for some 2 more techniques.

structure_pic2

structure_pic2

structure_pic3

structure_pic3

hints:
1. pic1, pic2, and pic3 are generic representations.
2. pic2 has three subtypes, one of which is a courier of sorts.

X, X1.
Y, Z, please.

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Cracked completely by tattwa and Tinkerbells.
Satyaki got X and X1 right.

Answer:
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